Q6 of 108 Page 33

The standard deviation of the data:


Is

Let us calculate the mean first,


Mean




Standard deviation

More from this chapter

All 108 →
4

The mean deviation from the median is

 5

If n = 10, and , then the coefficient of variation is

 7

The mean deviation of the series a, a+d, a+2d, ……, a+2n from its mean is

 8

A batsman scores runs in 10 innings as 38, 70, 48, 34, 42, 55, 63, 46, 54 and 44. The mean deviation about mean is