Author Question: For data collected on a nominal scale of measurement, what measures of central tendency can you use ... (Read 81 times)

james · **on:** Jun 20, 2018

For data collected on a nominal scale of measurement, what measures of central tendency can
you use to describe the data?

A) mean & mode B) median only
C) mean, median, & mode D) mode only

Question 2

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

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