Question

5 people were asked about the time in a week they spend is doing social work in their community . they said 10,17,13,20 and 15 hours, find the mean time in a week devoted by them for social work

Answer 1

Answer:

=10+17+ 13+ 20+ 15=50

mean=50/5=5

Step-by-step explanation:

Answer 2

Given data,

10, 7, 13, 20, 15

Here, n = 5

∴ Mean (x)

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.