Stats Chapter 9

Significance

What is the error that cannot be controlled called?

Chance

Type I error

.05

Null hypothesis

a

If you want to examine the difference between the average scores of two unrelated groups, which of the following statistical techniques should you select?

Independent samples t-test

Inferential

Significance level

True

False

1 in 20

Power

Type I error

Type II error

Power

a

B

Confidence interval