Hypothesis Testing

Which of the following is a null hypothesis?

• There is a relationship between study time and homework scores

• There is no relationship between study time and homework scores

• Study time increases homework scores

• Homework scores depend on study time

Which of the following is an alternative hypothesis

• There is no relationship between study time and homework scores

• There is a relationship between study time and homework scores

• Study time determines homework scores

• Study time does not determine homework scores

The p value is

• an alpha level

• significant if it is large

• the test statistic

• a probability

The alpha level is

• Always the same as the p value

• The pre-set threshold for significance

• The sample size

• The power

The alpha level is

• Usually set at .05 for nursing studies

• Only set after the study is completed

• Usually set at .10 for nursing studies

• The observed count

Tags

CCSS.HSN.Q.A.1

Hypotheses in nursing and medical studies are generally

• One-tailed

• Two-tailed

There is an association between study time and homework scores is which type of hypothesis

• Directional

• Non-directional

Rejecting the null when the null is true is a

• Type II error

• Type I

Tags

CCSS.HSS.IC.B.3

Failing to reject the null when the alternative is true is a

• Type II error

• Type I error

Tags

CCSS.HSS.IC.B.3

Rejecting the null when the null is false is a

• Type I error

• Type II error

• A correct decision

Tags

CCSS.HSS.ID.C.9