Question

5 people were asked about the time in a week they spend in doing social work in their community . They replied 10 7 13 20 and 15 hours respectively. Find the mean time in a week devoted by them for social work​

Answer 1

Answer:

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Answer 2

Given data,

10, 7, 13, 20, 15

Here, n = 5

∴ Mean ()

Ʃ xi/ n = (10 + 7 + 13 + 20 + 15)/5

= 65/5 = 13

Therefore, the mean time in a week devoted by them for social work is 13 hours.