Find the mean of the first 10 multiples of 2.
11
10
12
9
The first 10 multiples of 2 are : 2 ,4,6,8,10,12,14,16,18.20.
Their sum = 110
Mean = 11010 = 11
Find the mean and variance of first 10 multiples of 3.
Find the mean and variance for the first 10 multiples of 3