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If the scores 5, 8, 6, and 2 occur in a distribution with frequencies 3, 2, 4 an...


Question

If the scores 5, 8, 6, and 2 occur in a distribution with frequencies 3, 2, 4 and 1 respectively, find the arithmetic mean of the scores.

Options

A) 5.7

B) 15.2

C) 16.2

D) 7.5

E) 12

The correct answer is A.

Explanation:

\(\cfrac{(5 \times 3) + (8 \times 2) + (66 \times 4) + (2 \times 1)}{10} = 5.7\)

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