Mohan has a hobby of solving problems every day. He solved 2, 4, 3, 2, 4, 5, 1 problems in the last week. What is the mean number of problems solved by Mohan per day?

Solution:
Since Mohan solved 2, 4, 3, 2, 4, 5, 1 problems in the last week,

Mean
=
Σx
=
2 + 4 + 3 + 2 + 4 + 5 + 1
=
21
=
3


n

7

7



∴ Mean = 3
It means on an average Mohan solved 3 problems per day.

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