Author Question: A z-score of zero always means that a. the raw score does not exist. c. the raw score almost ... (Read 67 times)

Melani1276 · **on:** Jun 20, 2018

A z-score of zero always means that

a. the raw score does not exist. c. the raw score almost never occurs.
b. the raw score exists but is negligible. d. the raw score is equal to the mean.

Question 2

Pat's last statistics test score was 72 . If the instructor tells Pat that the grade distribution was approximately normal, the class mean was 67, and the standard deviation was 3, which of the following is correct?

a. A score of 72 is never good.
b. Pat should be worried about this score, because many other students did better.
c. Pat should be fairly happy about this score, because many students did not do as well.
d. Pat should be ecstatic, because this is obviously one of the highest grades in the class.