Question

The arithmetic mean of the following frequency distribution of number of accidents X on week working days is:

X:                            2              4              6              8              10           12          

Frequency:         3              4              2              1              4              2

A 5.625 Correct Answer Incorrect Answer
B 4.625 Correct Answer Incorrect Answer
C 6.625 Correct Answer Incorrect Answer
D 7.625 Correct Answer Incorrect Answer

Solution

The correct answer is C

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