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Calculating a z statistic in a test about a proportion | AP Statistics | Khan Academy

16,947 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

98%
  • 4:46 / 4:50

Speech Rate:

  • 169 wpm - Fast

Category:

  • Education

Tags :

Intro:

Special thanks to The Free Dictionary for providing us with the information used in this web page

Video Vocabulary

unemployment

/ˌənəmˈploimənt/

unemployment
noun

Number of people without jobs in a country.

correct

/kəˈrekt/

correct
adjective verb

free from error. To fix a problem.

residents

/ˈrez(ə)dənt/

residents
noun other

person who lives somewhere permanently or on long-term basis. Trainee doctor who works/lives in a hospital.

national

/ˈnaSH(ə)n(ə)l/

national
adjective noun

relating to nation. A person of a particular country.

conditions

/kənˈdiSH(ə)n/

conditions
noun other verb

state of something. Diseases or other medical problems. To improve something to make it better.

unemployed

/ˌənəmˈploid/

unemployed
adjective noun

Not currently being used. People without a job; the jobless.

proportion

/prəˈpôrSH(ə)n/

proportion
noun verb

part in relation to whole. give something particular or suitable relationship to something else.

claimed

/klām/

claimed
verb

To demand something that is believed to be due.

previous

/ˈprēvēəs/

previous
adjective

existing or occurring before in time or order.

hypothesis

/hīˈpäTHəsəs/

hypothesis
noun

supposition or proposed explanation made on basis of limited evidence as starting point for further investigation.

independent

/ˌindəˈpendənt/

independent
adjective noun

free from outside control. independent person or body.

identify

/īˈden(t)əˌfī/

identify
verb

To indicate who or what someone or something is.

wondered

/ˈwəndər/

wondered
verb

To think or consider about something over time.

nothing

/ˈnəTHiNG/

nothing
adjective adverb noun pronoun

of no value. not at all. Item of little or no value, importance, interest. not anything.

inference

/ˈinf(ə)rəns/

inference
noun

Conclusion reached after considering facts.

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