Author Question: Professor Jones has given a statistics test to her class. After grading the tests she reports to the ... (Read 86 times)

Shelles · **on:** Jun 20, 2018

Professor Jones has given a statistics test to her class. After grading the tests she reports to the class that the mean score was a 99 and the standard deviation was 0 . The class will be very happy because:

a. Only a few students failed the test.
b. Most people did moderately well on the test.
c. Everyone got a 99.
d. Most people scored around 99.

Question 2

If a group of scores are tightly clustered around the mean, they will have a:

a. small median.
b. small variance.
c. small N.
d. all of these