Question

The arithmetic mean of the following frequency distribution of number of members in family in the society

                X:            3              5              6              8              9              10

Frequency:         1              4              2              1              3              2

is

A 6.923 Correct Answer Incorrect Answer
B 7.923 Correct Answer Incorrect Answer
C 5.923 Correct Answer Incorrect Answer
D 4.923 Correct Answer Incorrect Answer

Solution

The correct answer is A

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