Scores 5, 6, 7, 8 occur 2, 3, 3, 2 times. What is the mean score?
A6
B6.5
C7
D7.5
Answer & Solution
Correct answer: B. 6.5
The total is 10 plus 18 plus 21 plus 16, which is 65, and 65 divided by 10 is 6.5.
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