Author Question: What is the purpose for post tests? A) to determine whether or not a Type I error was committed ... (Read 68 times)

jasdeep_brar · **on:** Jun 20, 2018

What is the purpose for post tests?

A) to determine whether or not a Type I error was committed
B) to determine how much difference exists between the treatments
C) to determine which treatments are significantly different
D) to determine whether or not the sample is normally distributed

Question 2

Which of the following is true for most distributions?

A) Around 30 of the scores will be located within one standard deviation of the mean.
B) Around 50 of the scores will be located within one standard deviation of the mean.
C) Around 70 of the scores will be located within one standard deviation of the mean.
D) Around 90 of the scores will be located within one standard deviation of the mean.