If the sample size n = 12, will it be applicable to use t- distribution?

• YES

• NO

If the sample size n = 23, will it be applicable to use t- distribution?

• YES

• NO

If the sample size n = 34, will it be applicable to use t- distribution?

• YES

• NO

If the sample size n = 20, will it be applicable to use t- distribution?

• YES

• NO

If the sample size n = 30, will it be applicable to use t- distribution?

• YES

• NO

Find the degree of freedom of n = 15.

df = ?

• 13

• 14

• 15

• 16

Find the degree of freedom of n = 28.

df = ?

• 25

• 26

• 27

• 28

Find the degree of freedom of n = 10.

df = ?

• 5

• 7

• 8

• 9

Find the degree of freedom of n = 8.

df = ?

• 5

• 6

• 7

• 8

Find the degree of freedom of n = 23.

df = ?

• 25

• 24

• 23

• 22