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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 live away from your husband or wife.

summary

/ˈsəmərē/

adjective noun

not including needless details or formalities. Shorter statement of the most important parts.

measures

/ˈmeZHər/

noun other verb

plan or course of action. Tools used to calculate the size of some things. To calculate size, weight or temperature of.

construct
noun verb

A thought, theory or hypothesis. To create a sentence, story, argument or theory.

conduct
noun verb

person's behaviour. To lead or guide people.

alternative

/ôlˈtərnədiv/

adjective noun

available as possibility. Something different you can choose.

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

Wanting to know more about something.

whether

/ˈ(h)weT͟Hər/

conjunction

expressing doubt or choice between alternatives.

inference

/ˈinf(ə)rəns/

noun

Conclusion reached after considering the evidence.

significance

/siɡˈnifikəns/

noun

The potential for something to have a big effect.

between

/bəˈtwēn/

adverb preposition

in space separating things. Among two or more people who share something.

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.. Over, in, across an entire thing or place.

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