Question: 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

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. Half the class got a 100%.

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