True or false: hypothesis testing

Exercise and reference answers

Questions

1. Statement is true

   No

   Statement

   A test can prove the null hypothesis true.

2. Statement is true

   Yes

   Statement

   A small p-value is evidence against the null.

3. Statement is true

   Yes

   Statement

   A Type I error happens only when the null is true.

4. Statement is true

   No

   Statement

   The significance level is picked after seeing the data.

5. Statement is true

   Yes

   Statement

   A calculator reports both a p-value and a test statistic.

Instructions

Tap True or False for each statement.

Explanation