Author Question: When comparing the scores of two groups on a final exam to see if amount of sleep affects ... (Read 19 times)

cmoore54 · **on:** Jun 20, 2018

When comparing the scores of two groups on a final exam to see if amount of sleep affects
performance, a nondirectional hypothesis will

A) predict only that the scores for the two groups will differ
B) state there is no way to predict how the two groups will differ
C) predict that one group will have higher scores than the other group
D) make no prediction as to the difference in group scores

Question 2

What is the mode for the following set of numbers: 1, 2, 4, 7, 10, 15, 20

A) 7
B) 19
C) 1
D) 20
E) There is no mode.