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Last updated at April 16, 2024 by Teachoo

Question 5 People were asked about the time in a week they spend in doing social work in their community. They said 10, 7, 13, 20 and 15 hours, respectively. Find the mean (or average) time in a week devoted by them for social work Mean time in a week devoted = (๐๐ข๐ ๐๐ ๐๐๐ ๐กโ๐ ๐๐๐ ๐๐๐ฃ๐๐ก๐๐๐๐ )/(๐๐๐ก๐๐ ๐๐ข๐๐๐๐ ๐๐ ๐๐๐ ๐๐๐ฃ๐๐ก๐๐๐๐ ) = (10 + 7 + 13 + 20 + 15)/5 = 65/5 = 13