Chapter 8.4 Flashcards

1
Q

What is different when finding the hypothesis test with a mean?

A

mu is used in place of p
Hsub0: mu=
Hsub1: mu<

pg. 524

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2
Q

What do you use in place of the standard deviation when using mean for hypothesis test?

A

student-t distribution
will use t-test for hypothesis test

pg. 524

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3
Q

How do you find the critical values?

A

invt(AREA TO THE LEFT,df)
depends on the tails of the graph so draw it

pg. 530

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4
Q

How do you use the test stat and critical value to reject or fail to reject?

A

If the test stat falls beyond a critical value, then reject Hsub0 otherwise fail to reject

beyond=away from the center

pg. 532

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5
Q

How do you find the p-value from the test stat?

A

using tcdf(low t score, high t score, df)

pg. 534

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