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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

forming or viewed as unit apart or by itself. 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. 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 determine the value or importance of something.

construct
noun verb

A thought, theory or hypothesis. build or make.

conduct
noun verb

Your behavior. organize and carry out.

alternative

/ôlˈtərnədiv/

adjective noun

available as possibility. Something different you can choose.

difference

/ˈdif(ə)rəns/

noun verb

Not of the same kind; unlike other things. 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

eager to find out.

whether

/ˈ(h)weT͟Hər/

conjunction

If something will happen or not.

inference

/ˈinf(ə)rəns/

noun

Conclusion reached after considering facts.

significance

/siɡˈnifikəns/

noun

quality of being worthy of attention.

between

/bəˈtwēn/

adverb preposition

in space separating things. From one person, thing, or place, to another.

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.. moving in one side and out of other side of.

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