West Coast University » Public Health » PH 521 - Biostatistics » Summer 2021

Question #1

The critical value of z for a two tail z test with α = 0.05 is z = 1.645

A. TRUE

B. FALSE

Question #2

With α = 0.05 and a calculated z score of 2.23, we can reject H0 for a one tail test.

A. TRUE

B. FALSE

Question #3

With α = 0.05 and a calculated z score of 2.23, we can reject H0 for a two tail test.

A. TRUE

B. FALSE

Question #4

What is .05?

A. A commonly accepted Type I error rate

B. A commonly accepted Type II error rate

C. A commonly accepted Type I & II error rate and The percentage chance that the alternative hypothesis is true

D. The percentage chance that the alternative hypothesis is true

Question #5

For all inferential statistics, a higher test statistic calculation is related to an increased likelihood of rejecting the null hypothesis.

A. TRUE

B. FALSE