Find the arithmetic mean of the following data (plant heights in cm): 3, 5, 7, 9, 11, 13, 15.

Type: MCQ • Marks: 1

A. 6

B. 9

C. 11

D. 13

Explanation

Sum of values = 63, Number of values = 7. Mean = 63 ÷ 7 = 9.

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Class 7th Ganita Prakash 2

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