Recent content by Santosh_J

Hi, I was looking at the way variance is calcullated. Let us say V represents variance, then V = average of the sum of squares of the difference between Xi and the mean (μ) What I do not understand is why square the difference? By squaring are we not magnifying the difference by many...

Hi, I am facing a similar problem. What I am trying to do is average a series of values by dividing them into different sets. For example, let us take 8 values, 1, 2, 3, 4, 6, 1, 2, and 3. When I average ((1+2+3)/3 + (4+6)/2 + (1+2+3)/3)/3, I get 3 as the result. Whereas when I average...