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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:

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

Video Vocabulary

separate
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/

summary
adjective noun

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

measures

/ˈmeZHər/

measures
noun other verb

plan or course of action. Tools used to calculate the size of some things. determine size or amount.

construct
construct
noun verb

idea or theory. To build or create something.

conduct
conduct
noun verb

Your behavior. To direct a group of musicians in performance.

alternative

/ôlˈtərnədiv/

alternative
adjective noun

A different choice. Something different you can choose.

difference

/ˈdif(ə)rəns/

difference
noun verb

way people or things differ. alter coat of arms.

tomatoes

/təˈmādō/

tomatoes
noun other

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

curious

/ˈkyo͝orēəs/

curious
adjective

eager to find out.

whether

/ˈ(h)weT͟Hər/

whether
conjunction

If something will happen or not.

inference

/ˈinf(ə)rəns/

inference
noun

Conclusion reached after considering the evidence.

significance

/siɡˈnifikəns/

significance
noun

(Statistics) being clearly different.

between

/bəˈtwēn/

between
adverb preposition

in space separating things. at, into, or across space separating things.

heights

/hīt/

heights
noun other

measurement from base to top. High places.

through

/THro͞o/

through
adjective adverb preposition

From one end or side of something to the other. From the beginning of something until the end. Over, in, across an entire thing or place.

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