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Two-sample t test for difference of means | AP Statistics | Khan Academy

369,851 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

93%
  • 6:27 / 6:56

Speech Rate:

  • 149 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

separate
adjective noun verb

Being different from or unrelated to another. individual items of clothing suitable for wearing in different combinations. To move things away from each other.

summary

/ˈsəmərē/

adjective noun

Brief, complete and accurate. brief statement or account of main points of something.

measures

/ˈmeZHər/

noun other verb

plan or course of action. Plan to achieve a desired result. To determine the value or importance of something.

construct
noun verb

idea or theory. To create a sentence, story, argument or theory.

conduct
noun verb

person's behaviour. To lead or guide people.

alternative

/ôlˈtərnədiv/

adjective noun

A different choice. possibility.

difference

/ˈdif(ə)rəns/

noun verb

A thing or issue that people do not agree about. alter coat of arms.

tomatoes

/təˈmādō/

noun other

red pulpy fruit eaten as vegetable. Round soft red vegetables, fruits used in sauces.

curious

/ˈkyo͝orēəs/

adjective

Attracting interest by being strange or unusual.

whether

/ˈ(h)weT͟Hər/

conjunction

If something will happen or not.

inference

/ˈinf(ə)rəns/

noun

Conclusion reached after considering the evidence.

significance

/siɡˈnifikəns/

noun

(Statistics) being clearly different.

between

/bəˈtwēn/

adverb preposition

in space separating things. In the space that separates two objects.

heights

/hīt/

noun other

measurement from base to top. High places.

through

/THro͞o/

adjective adverb preposition

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. Allowing you to pass between, or to.

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