Author Question: For a hypothesis test evaluating the effect of a treatment on a population mean, what basic ... (Read 43 times)

jlmhmf · **on:** Jun 20, 2018

For a hypothesis test evaluating the effect of a treatment on a population mean, what basic assumption is made concerning the treatment effect?

a. If there is a treatment effect, it will increase the scores.
b. If there is a treatment effect, it will decrease the scores.
c. If there is a treatment effect, it will add (or subtract) a constant to each score.
d. If there is a treatment effect, it will multiply (or divide) each score by a constant.

Question 2

What is measured by the denominator of the z-score test statistic?

a. A likely distance between M and that would be expected if H0 was true
b. The actual distance between M and
c. The position of the sample mean relative to the critical region
d. Whether or not there is a significant difference between M and