Find the arithmetic mean of the following data (hours of study per month): 12, 18, 24, 30.

Type: MCQ • Marks: 1

A. 18

B. 25

C. 21

D. 23

Explanation

Sum of values = 84, Number of values = 4. Mean = 84 ÷ 4 = 21.

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Class 7th Ganita Prakash 2

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