Definisi Statistika Deskriptif dan Statistika Inferensial

 

 

Statistika adl ilmu yg mempelajari bagaimana merencanakan mengumpulkan menganalisis menginterpretasi dan mempresentasikan data. Statistika merupakan ilmu yg berkenaan dgn data sedang statistik adl data informasi atau hasil penerapan algoritma statistika pada suatu data. Beberapa istilah statistika antara lain: populasi sampel unit sampel dan probabilitas.

Ada dua macam statistika yaitu statistika deskriptif dan statistika inferensial. Statistika deskriptif berkenaan dgn deskripsi data misal dari menghitung rata-rata dan varians dari data mentah; mendeksripsikan menggunakan tabel-tabel atau grafik sehingga data mentah lbh mudah “dibaca” dan lbh bermakna. Sedangkan statistika inferensial lbh dari itu misal melakukan pengujian hipotesis melakukan prediksi observasi masa depan atau membuat model regresi.

Statistika deskriptif berkenaan dgn bagaimana data dapat digambarkan dideskripsikan) atau disimpulkan baik secara numerik (misal menghitung rata-rata dan deviasi standar) atau secara grafis (dalam bentuk tabel atau grafik) utk mendapatkan gambaran sekilas mengenai data tersebut sehingga lbh mudah dibaca dan bermakna.

Statistika inferensial berkenaan dgn permodelan data dan melakukan pengambilan keputusan berdasarkan analisis data misal melakukan pengujian hipotesis melakukan estimasi pengamatan masa mendatang (estimasi atau prediksi) membuat permodelan hubungan (korelasi regresi ANOVA deret waktu) dan sebagainya.

Nama : Arnis Haerani

Nim : 1133368657

Jurusan : TI

Konsentrasi : AI

Assessment Table
No. Descriptions Value Score
1. Datang tepat waktu dan kondisi baterai ipad >50% 100 V
2. Mengikuti quiz pada setiap pertemuan 150  V
3. Mengikuti raharja career 100
4. Menghasilkan artikel mengenai statistik minimal 8 hal 150  V
5. Menghasilkan Journal CCIT 100
6. Memiliki website/blog pribadi, dengan ketentuan :Mendokumentasikan laporan akhir mata kuliah statistik.Memiliki Koleksi foto dan musikMenceritakan hal “Alasan mengapa anda memilih perguruan tinggi raharja”, dan terdapat kata-kata kunci : a). Green campus, b). Kampus unggulan, c).Pribadi raharja, d). perguruan tinggi raharja/STMIK Raharja/Amik raharja. 150
7. Mengikuti 2 Seminar IT 150
8. Keaktifan dikelas & absensi kuliah 100% t dan th 100  V
9. Menghasilkan Hibah Peneltian 100
                                                           Total                                                           1000 1000

absen statistik

quiz Statistik

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Tugas English for IT two pertemuan 6

1.              Which of the following would be the best title for this passage?

A.               A History of New York City

B.               An Account of the Dutch Colonies

C.               A Biography of Peter Minuit

D.               The First Capital of the United States

 

2.              What did the Native Americans receive in exchange for their island?

A.               Sixty Dutch guilders

B.               $24.12 U. S.

C.               Goods and supplies

D.               Land in New Amsterdam

 

3.              Where was New Amsterdam located?

A.               In Holland

B.               In North America

C.               On the island of Manhattan

D.               In India

 

4.         What does the author mean by the statement :

             Because attempts to encourage Dutch immigration were not immediately successful, offers, generous by the standards of the era, were extended throughout Europe?

A.        Other Europeans were given opportunities to immigrate to the new world after a slow response  by the Dutch

B.         Since the Dutch immigration was so successful,opportunities were provided for the Europeans to  immigrate to the new world also

C.                  The Dutch took advantage of opportunities to       immigrate to Europe instead of to the new world

D.                  Immigration to the new world required that the       Dutch and other Europeans wait until opportunities             were available

5.                 The word heterogeneous in paragraph 2 could best be replaced by

A.                  Liberal                                                        C.   diverse

B.                  Renowned                                                  D.prosperous

6.        Why were so many languages spoken in New Amsterdam?

A.              The Dutch West India Company was owned by England

B.              The Dutch West India Company allowed freedom of speech

C.                The Dutch West India Company recruited settlers from many different countries in Europe

 D.              The Indians who lived there before the Dutch West India Company purchase spoke many languages

7.              The word formidable in paragraph 3 is closest in meaning to

A.              powerful                                  C.   expensive

B.              Modern                                    D.   unexpected

8.        The word it in paragraph 4 refers to

A.   Revolution                                     C.   the island

B.    New York City                              D.   the first capital

9.                Which city was the first capital of the new Unite states?

A.   New Amsterdam       C.   Philadelphia

B.    New York    D.   Washington

10.  On what date was Manhattan valued at $7 billion?

A.   1626

B.    1726

C.   1656

D.   1926

10 Cara Mengatasi Komputer Lambat

1. Komputer Analog

 

Komputer ini merupakan komputer yang digunakan untuk menerima sinyal analog, biasanya digunakan untuk melakukan pengecekan untuk data yang tidak berbentuk angka, karena data yang didapatkan adalah data yang bersifat gelombang. Komputer ini biasanya digunakan untuk mempresentasikan suatu keadaan. Sebagai contoh, komputer ini digunakan untuk melakukan pengecekan suhu, penghitung aliran BBM pada SPBU, mengukur kekuatan cahaya, dan lain-lain. Komputer ini banyak digunakan untuk kegiatan ilmiah.

Baca selanjutnya di: ilmuti.com 

Jenis-jenis komputer

1. Komputer Analog

Komputer ini merupakan komputer yang digunakan untuk menerima sinyal analog, biasanya digunakan untuk melakukan pengeceka1. Komputer Analog Komputer ini merupakan komputer yang digunakan untuk menerima sinyal analog, biasanya digunakan untuk melakukan pengecekan untuk data yang tidak berbentuk angka, karena data yang didapatkan adalah data yang bersifat gelombang. Komputer ini biasanya digunakan untuk mempresentasikan suatu keadaan. Sebagai contoh, komputer ini digunakan untuk melakukan pengecekan suhu, penghitung aliran BBM pada SPBU, mengukur kekuatan cahaya, dan lain-lain. Komputer ini banyak digunakan untuk kegiatan ilmiah.n untuk data yang tidak berbentuk angka, karena data yang didapatkan adalah data yang bersifat gelombang. Komputer ini biasanya digunakan untuk mempresentasikan suatu keadaan. Sebagai contoh, komputer ini digunakan untuk melakukan pengecekan suhu, penghitung aliran BBM pada SPBU, mengukur kekuatan cahaya, dan lain-lain. Komputer ini banyak digunakan untuk kegiatan ilmiah.

Baca selengkapnya di: ilmuti.com

Coment

ELEVENTH MEETING (ARCHITECTURE)

Organic architecture – that is, natural architecture – may vary in concept and form, but it is always faithful to natural principles. The architect dedicated to the promulgation of organic architecture rejects outright all rules imposed by individual preference or mere aesthetics in order to remain true to the nature of the site, the materials, the purpose of the structure, and the people who will ultimately use it.

Natural principles, the are principles of design, not style, expressed by means and modes of construction that reflect unity, balance, proportion, rhythm, and scale.

From the outside, an organic structure is so much a part of nature that is often obscured by it. In other words, it may be not easy, or maybe not even possible, for the human eye to separate the artificial structure from the natural terrain. Natural light, air, and view permeate the whole structure, providing a sense of communication with the outdoors. From the inside, living spaces open into one another. The number of walls for separate rooms is reduced to a minimum, allowing the functional spaces to flow together.

TWELFTH MEETING (ALCHEMY)

The earliest authentic works on European alchemy are those of the English monk Roger Bacon and the German philosopher St. Albertus Magnus. In their treatises they maintained that gold was the perfect metal and that inferior metals such as lead and mercury were removed by various degrees of imperfection from gold.

Most of the early alchemists were artisans who were accustomed to keeping trade secrets and often resorted to cryptic terminology to record the progress of their work.

Many laboratory alchemists earnestly devoted themselves to the scientific discovery of new compounds and reactions and, therefore, must be considered the legitimate forefathers of modern chemistry.

Thus, by the fourteenth century, alchemy had developed two distinct groups of practitioners – the laboratory alchemist and the literary alchemist.

THIRTEENTH MEETING (WRIGHT BROTHERS)

First, they were a team. Both men worked congenially and cooperatively, read the same books, located and shared information, talked incessantly about the possibility of manned flight, and served as a consistent source of inspiration and encouragement to each other. Quite simply, two geniuses are better than one.

They had realized from their experiments that the most serious challenge in manned flight would be stabilizing and maneuvering the aircraft once it was airborne.

In addition, the Wright brothers had designed more effective wings for the airplane than had been previously engineered.

The data from these experiments allowed the Wright brothers to construct a superior wing for their aircraft.

FOURTEENTH MEETING (FEDERAL RESERVE)

The Federal Reserve System, as an independent agency of the United States government, is charged with overseeing the national banking system. Since 1913 the Federal Reserve System, commonly called the Fed, has served as the central bank for the United Stated.

The System’s primarily function is to control monetary policy by influencing the cost and availability of money and credit through the purchase and sale of government securities.

In collaboration with the U.S. Department of the Treasury, the Fed puts new coins and paper currency into circulation by issuing them to banks. It also supervises the activities of member banks abroad, and regulates certain aspects of international finance.

Vhie sedang mengetik …
Tulis balasan…

 

 

Tautan

Quiz meeting 7

Quiz : READING COMPREHENSION

1. What is the author’s main purpose in the passage?

A. To describe the San Andreas Fault

B. To give a definition of a fault

C. To explain the reason for tremors and earthquakes

D. To classify different kinds of faults

2. How does the author define the San Andreas Fault?

A. A plate that underlies the North American continent

B. A crack in the Earth’s crush between two plates

C. Occasional tremors and earthquakes

D. Intense pressure that builds up

3. The word originates in paragraph 1 could best be replaced by

A. gets wider C. begins

B. changes direction D. disappears

4. In which direction does the western side of the fault move?

A. West B. East C. North D. South

5. The word it in the paragraph 1 refers to

A. San Francisco B. ocean C. coast D. fault

6. The word intermittent in paragraph 1 could best be replaced by which one of the following?

A. dangerous C. uncommon

B. predictable D. occasional

7. Along the San Andreas Fault, tremors are

A. small and insignificant C. frequent events

B. rare, but disastrous D. very unpredictable

8. The phrase “the Big One” refers to which of the following?

A. A serious earthquake C. The river scale

B. The San Andreas Fault D. California

9. Which of the following words best describes the San Andreas Fault?

A. Straight B. Deep C. Wide D. Rough

Problem 52 Count Nouns

Remember that count nouns have both singular and plural forms. Plural numbers can precede count nouns but not noncount nouns.

There are several categories of count nouns that can help you organize your study. Some of them are listed here.

1. Names of persons, their relationships, and their occupations:

one boy two boys

one friend two friends

one student two students

2. Names of animals, plants, insects:

one dog two dogs

one flower two flowers

one bee two bees

3. Names of things with a definite, individual shape:

one car two cars

one house two houses

one room two rooms

4. Units of measurement

one inch two inches

one pound two pounds

one degree two degrees

5. Units of classification in society:

one family two families

one country two countries

one language two languages

6. Containers of noncount solid, liquids, pastes, and gases:

one bottle two bottles

one jar two jars

one tube two tubes

7. A limited number of abstract concepts:

one idea two ideas

one invention two inventions

one plan two plans

Number (plural) Noun (count-plural)

sixty years

Avoid using a singular count noun with a

plural number.

Examples :

– Incorrect :We have twenty dollar left.

Correct :We have twentydollars left.

Problem 53 : Nouncount Nouns

Remember noncount nouns have only one form. They are used in agreement with singular verbs. The word the does not precede them.

There are categories of noncount nouns that can help you organize your study. Some of them are listed here.

1.Food staples that can be purchased in various forms:

•bread

•meat

•Butter

2. Construction materials that can change shape, depending on what is made:

•wood

•iron

•Grass

3. Liquids that can change shape, depending on the shape of the container:

•oil

•tea

•milk

4. Natural substances that can change shape, depending on natural laws:

•steam, water, ice

•smoke, ashes

•oxygen

5. Substances with many small parts:

•rice

•sand

•sugar

6. Groups of things that have different sizes and shapes:

•clothing (a coat, a shirt, a sock)

•furniture (a table, a chair, a bed)

•luggage (a suitcase, a trunk, a box)

7. Languages:

•Arabic

•Japanese

Spanish

8. Abstract concepts, often with endings -ness, -ance, -ence, -ity:

•beauty

•ignorance

•piece

9. Most -ing forms:

•learning

•shopping

•working

Noun (noncount) verb (singular)

Friendship is important

Avoid using the before a nouncount noun. Avoid using a plural verb with a nouncount noun.

Examples :

Incorrect :The happiness means different things to different people.

Correct :Happiness means different things to different people.

Problem 54 Nouns with Count and Nouncount Meanings

Remember that some nouns may be used asnoncount nouns depending on their meanings. Materials are abstract concepts arenoncount nouns, but they may be used ascount nouns to express specific meanings.

Count noun

Specific meaning

Noun

Nouncount

General meaning

an agreement

an occasion

agreement

abstract concept

agreements

a document

all agreements

a bone

a part of a

bone

construction

bones

skeleton

material

a business

a company

business

abstract concept

business

all businessTransactions

a cloth

a piece of

cloth

construction

cloths

cloth

material

a decision

an occasion

decision

abstract concept

decisions

all decisions

an education

a specific

education

abstract concept

educations

all decisions

a fire

an event

fire

material

fires

a glass

a container

glass

construction

glasses

material

a history

a historical

history

abstract concept

histories

account

all history

an honor

an occasion

honor

abstract concept

honors

or an award

all honor

a language

a specific

language

abstract concept

languages

variety

all languages

a life

a specific

life

abstract concept

lives

person’s

all life

a light

a lamp

light

the absence of

lights

darkness

a noise

a specific

noise

abstract concept

noises

sound

all sounds

a pain

a specific

pain

abstract concept

pains

occasion

all pain

a paper

a document

paper

construction

papers

or sheet

material

a pleasure

a specific

pleasure

abstract concept

pleasures

occasion

all pleasure

a silence

a specific

silence

abstract concept

silences

occasion

all silences

a space

a blank

space

the universe

spaces

a stone

a small rock

stone

construction

stones

material

a success

an achieve-

success

abstract concept

successes

ment

all success

a thought

an idea

thought

abstract concept

thoughts

all thought

a time

a historical period

time

abstract concept

times

or moment

all time

a war

a specific war

war

the general act of war

wars

all wars

a work

an artistic creation

work

employment

works

abstract concept

all work

a document

I have a paper due Monday

construction material

Let’s use paper to make the present

Avoid using count nouns with specific meanings to express the general meanings of noncount nouns.

Examples :

Incorrect r. Bradley will receive special honor at the graduation.

Correct r. Bradley will receive a special honor at the graduation. (an

award)

Problem 55 Count and Nouncount Nouns with Similar Meanings

Remember that there are pairs of nouns with similar meanings, but one is a count noun and the other is a noncount noun.

Count noun

Nouncount noun

a climate

weather

climates

a laugh

laughter

laughs

a human being

humanity

human beings

a job

work

jobs

a machine

machinery

machines

a man

mankind; man

men

a person

people

persons

a snowflake

snow

snowflakes

a sunbeam

sunlight; sunshine

sunbeams

a traffic jam

traffic

traffic jams

a noun (count)

The shape of a snowflake is unique

Avoid using a with a noncount noun instead of a singular count noun.

Examples :

Incorrect :California has a good weather.

Correct :California has good weather.

or

California has a good climate.

Problem 56 Noncount Nouns that Are Count Nouns in Other Languages

Remember, many nouns that are count nouns in other languages may be noncount nouns in English.

Some of the most troublesome have been listed for you on the following page.

advice; anger; courage; damage; equipment; fun; homework; ignorance; information; knowledge; leisure; luck; money; music; news; patience; permission; poetry; poverty; progress.

Noun (noncount)

Did you do your homework

Avoid using a or an before noncount nouns.

Examples :

Incorrect o you have an information about it?

Correct o you have information about it?

Problem 57 Singular and Plural Expression of Noncount Nouns

Remember that the following singular and plural expressions are idiomatic:

a piece of advice two pieces of advice

a piece of bread two pieces of bread

a piece of equipment two pieces of equipment

a piece of furniture two pieces of furniture

a piece of information two pieces of information

a piece of jewelry two pieces of jewelry

a piece of luggage two pieces of luggage

a piece of mail two pieces of mail

a piece of music two pieces of music

a piece of news two pieces of news

a piece of toast two pieces of toast

a loaf of bread two loaves of bread

a slice of bread two slices of bread

an ear of corn two ears of corns

a bar of soap two bars of soap

a bolt of lightning two bolts of lightning

a clap of thunder two claps of thunder

a gust of wind two gusts of wind

a singular of noun (noncount)

A folk song a piece of Popular music

number plural of noun (noncount)

I order twelve bars of soap

Avoid using the noncount noun without the singular or plural idiom to express a singular or plural.

Examples :

Incorrect :A mail travels faster when the zip code is indicated on the

envelope.

Correct :A piece of mail travels faster when the zip code is indicated on

the envelope.

Problem 58 Classifications–Kind and Type

Remember that kind and type express classification.

kinds noun (plural count)

types of (noncount)

Cable TV has many different kinds of shows

Dr. Parker gives several types of homework

kind noun (singular count)

one type of (noncount)

One kind of show Is news

One type of homework is a lab report

Avoid using kind and type with a plural noun. Avoid using kind and type without of.

Examples :

Incorrect :There are four kind of Coke now.

Correct :There are four kinds of Coke now.

Problem 59 Infinitive and –ing Subjects

Remember that either an infinitive or an -ing form may be used as the subject of a sentence or clause.

S (infinitive) V

To read a foreign language is even more difficult

S (-ing) V

Reading quickly and well requires practice

Avoid using a verb word instead of an infinitive or an -ing in the subject. Avoid using to with an -ing form.

Examples :

Incorrect :To working provides people with personal satisfaction as well

as money.

Correct :To work provides people with personal satisfaction as well as

money.

or

Working provides people with personal satisfaction as well as

money.

Problem 60 Qualifying Phrases with –ing Nouns

Remember that -ing form may be used as a noun. In some grammar books, the -ing form is called a gerund. Remember that -ing form are usually noncount nouns and that noncount nouns are not preceded by the unless followed by a qualifying phrase.

We have already classified most -ing form as noncount nouns, but there is one pattern in which the is used with a noncount noun-ing noun. When a prepositional phrase qualifies the noun, that is, adds specific information, the may be used with an-ing noun subject.

qualifying phrase

the -ing of noun

The reading of technical material requires knowledge of technical terms

Examples :

Incorrect :Correcting errors in a language class can be embarrassing.

Correct :The correctingof errors in a language class can be

embarrassing.

Problem 61 Nominal That Clause

Remember that sometimes the subject of a verb is a single noun. Other times it is a

long noun phrase or a long noun clause.

One example of long noun clause is the nominal that clause. Like all clauses, the nominal that clause has a subject and verb. The nominal that clause function as the main subject of the main verb which follows it.

Nominal that clause S V

That vitamin C prevents colds is well known

Examples :

Incorrect :That it is that she has known him for a long time influenced her

decision.

Correct :That she has known him for a long timeinfluenced her

decision.

Quiz meeting6

QUIZ : COMPREHENSION
1. Which of the following would the best title for the passage?
A.Webster’s Work C. Webster’s School
B. Webster’s Dictionary D. Webster’s Life
2. The word inadequate in paragraph 1 could best be replaced by
A. unavailable C. difficult
B. Expensive D. unsatisfactory
3. Why did Webster write A Grammatical Institutes of the English Language?
A. He wanted to supplement his income.
B. There were no books available after the Revolutionary War.
C. He felt that British books were not appropriate for American children.
D. The children did not know how to spell.
4. From which publication did Webster earn a lifetime income?
A. Compendious Dictionary of the English Language
B. An American Dictionary of the English Language
C. An American Dictionary of the English Language: Second Edition
D. The American Spelling Book
5. The word considerable in paragraph 1 most nearly means
A.large B. prestigious C. steady D. unexpected
6. When was An American Dictionary of the English Language published?
A. 1817 B. 1807 C. 1828 D. 1824
7. The word it in the paragraph 2 refers to
A.language. B. Usage C. Authority D. Dictionary
8. The word distinct in paragraph 2 is closest in meaning to
A. new B. simple C. different D. Exact
9. According to this passage, which one of the following spellings would Webster have approved in his dictionaries?
A. Develop B. Theatre C. Color D. Honor

Problem 42 Subject Pronouns

Remember personal pronouns used as the subject of a sentence or clause should be subject case pronouns.

Pronoun (subject) V

If the weather is good Ellen and I will go to the beach

Remember that the following pronouns are subject pronouns:

I; you; he/she; it; we; you; they

Avoid using an object pronoun as a subject.

Examples

Incorrect :When he comes back from vacation, Bob and me plan to look for

another apartment.

Correct :When he comes back from vacation, Bob and I plan to look for another

apartment.

Problem 43 Subject Pronouns in Complement Position

Remember that in complement position after the verb BE, a subject pronoun must be used.

It Be pronoun (subject)

It is he whom the committee has named

Avoid using an object pronoun instead of a subject pronoun after the verb BE.

Examples

Incorrect :It was her whom everyone wanted to win.

Correct :It was she whom everyone wanted to win.

Problem 44 Object Pronouns

Remember personal pronouns used as the complement of a sentence or clause should be object case pronouns.

S V pronoun (object)

They asked us, Jane and me, whether we were satisfie

Remember that the following pronouns are object pronouns:

me, you, her, him, it, us, you, them

Avoid using a subject pronoun as an object.

Let pronoun (object) V

Let us (you and me) try to reach an agreement

Avoid using a subject pronoun after let.

Examples

Incorrect :He always helps my wife and I with our tax returns.

Correct :He always helps my wife and mewith our tax returns.

Problem 45. Object Pronouns after prepositions

Remember personal pronouns used as the object of a preposition should be object case pronouns.

preposition pronoun (object)

I would be glad to take a massage for her

Remember that the following prepositions are commonly used with object pronouns:

among, between, for, from, of, to, with

Avoid using a subject pronoun instead of an object pronoun after a preposition.

Examples

Incorrect :The experiment proved to my lab partner and I that prejudices about

the results of an investigation are often unfounded.

Correct :The experiment proved to my lab partner and me that prejudices about

the results of an investigation are often

unfounded.

Problem 46. Possessive Pronouns Before –ing Forms

Remember that possessive pronouns are used before –ing nouns.

The following are possessive pronouns:

my, your, her, his, its, our, your, their

V Ph

S V pronouns (possessive) -ing form (noun)

We can count on her helping us

He regretted their misunderstanding him

Avoid using subject or object pronouns between the verb and the -ing form.

Examples

Incorrect :We don’t understand why you object to him coming with us.

Correct :We don’t understand why you object to his coming with us.

Problem 47 Possessive Pronouns Before Parts of the Body

Remember that possessive pronouns are used before the nouns that a part of the body.

pronoun (possessive) noun (part of the body)

He hurt his arm

Avoid using the instead of a possessive pronoun.

Examples

Incorrect :How did you twist the ankle?

Correct :How did you twist your ankle?

Problem 48 Relative Pronouns that Refer to Person and Things.

Remember that who is used to refer to persons, and which is used to refer to things.

someone who

She is the secretary who works in the international office

Avoid using which instead of who in reference to a person.

something which

This is the new typewriter which

you ordered

Avoid using who instead of which in reference to a thing.

Examples

Incorrect :The people which cheated on the examination had to leave the room.

Correct :The people who cheated on the examination had to leave the room.

Problem 49. Relative Pronouns that refer to Persons

Remember that both who and whom are used to refer persons. Who is used as the subject of a sentence or a clause. Whom is used as the complement of a sentence or a clause.

Whom is often used after a preposition as the object of the preposition.

who V

Everyone who took the tour was impressed by the paintings

Avoid using whom as the subject of a verb.

` whom V

He was the only American whom I saw at the conference

Avoid using who instead of whom before a subject and a verb.

Examples

Incorrect :I asked him who he was calling.

Correct :I asked him whom he was calling.

Problem 50 Reflexive Pronouns

Remember that reflexive pronouns may be used when both the subject and the complement refer to the same person or thing. Reflexive pronouns are used as the complement of a sentence or a clause or as the object of preposition. The following are reflexive pronouns:

Myself; yourself; himself; herself; itself;

ourselves; yourselves; themselves

S V pronoun (reflexive)

Some language learners can correct themselves

Avoid using object pronouns or possessive pronouns instead of reflexive pronouns.

Examples

Incorrect :Be careful or you will hurt to

you.

Correct :Be careful or you will hurt toyourself.

Problem 51 Reciprocal Pronouns

Remember that the reciprocal pronouns phrase each other may be used when the plural subject and complement refer to the same persons or things, and they are performing a reciprocal (mutual) act.

S V pronoun (reciprocal)

My sister and I visit each other about once a week

Remember that each other is used to express mutual acts for all persons. One another is also correct.

Examples

Incorrect :Family members love to each other.

Correct :Family members love each other.