The mean is represented by which score in the following frequency distribution? X f 12 3 11 0 10 1 9 1 8 1 7 1
a. 12
b. 10
c. 9
d. 7
ANS: B
The mean is the sum of the scores divided by the number of scores being summed. In this example, the sum of scores equals 70, and the number of scores being summed equals 7. Seventy divided by 7 equals 10.
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