In a statistic class, 10 scores were randomly selected with the following results were obtained:
74, 73, 77, 77, 71, 68, 65, 77, 67, 66

-What is the mean?
A)71.5
B)72.0
C)77.0
D)71.0
E)73.0

Question

In a statistic class, 10 scores were randomly selected with the following results were obtained:
74, 73, 77, 77, 71, 68, 65, 77, 67, 66

-What is the mean?
A)71.5
B)72.0
C)77.0
D)71.0
E)73.0

Quizplus · Accepted Answer

The mean is calculated by adding all the scores together and then dividing by the number of scores. The sum of the scores is 715, and there are 10 scores, so the mean is 715 / 10 = 71.5.

In a Statistic Class, 10 Scores Were Randomly Selected with the Following