Question #0251e

1 Answer
Nityananda
May 23, 2017

3

Explanation:

Terms(x) frequency(f) fx
1 2 12 = 2
2 1 21 = 2
3 1 31 = 3
4 2 42 = 8
6 1 61 = 6
.....................................................................................................
#sum(f) = 7, sum(f*x)=21#

So, Mean = #[sum(f*x)]/[sum(f)]#

#rArr 21/7 = 3#

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