Question

1. The following equation is used to calculate _____________. Select all that apply.

?=X¯−μs /n

A. An obtained t score

B. An obtained z score

C. An obtained z score for proportions

D. A critical t score

E. A critical z score

2. The following equation is used to calculate _______________.

?=p^−Pσp^

A. an obtained t score

B. an obtained z score

C. an obtained z score for proportions

D. a critical t score

E. a critical z score

3. What is the first step a researcher takes in hypothesis testing?

A. Select an appropriate test statistic and sampling distribution

B. Calculate the appropriate statistic

C. Make a decision regarding the null hypothesis

D. State the null and alternative hypothesis

E. Choose an alpha level

4.Which of the following is NOT an accurate or true statement?

A. The notation used to denote the null hypothesis is H0

B. The null hypothesis typically posits no difference, no relationship, or no effect

C. When conducting statistical tests, we always assume the alternative hypothesis is true in the population

D. The alternative hypothesis always contradicts the null hypothesis

E. All of these statement are true

Answer 1