Coefficient of variation can be defined as C.V = ___________.
Coefficient of variation can be described as the ratio between standard deviation and mean of the given observation. Coefficient of Variation (C.V) = standard deviationmean×100
Coefficient of variation can be defined as C.V = σx×100,¯x ≠ 0, σ = standard deviation and ¯x = mean
Calculate the Mean Deviation using mean and Standard Deviation for the following distribution.
Classes
Frequencies
20 – 40
3
40 – 80
6
80 – 100
20
100 – 120
12
120 – 140
9
Total
50