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
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
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
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
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