Question

The Standard Deviation (S.D) for 2 and 8 is

Answer 1

Answer:

The Standard Deviation is a measure of how spread out numbers are.

You might like to read this simpler page on Standard Deviation first.

But here we explain the formulas.

The symbol for Standard Deviation is σ (the Greek letter sigma).

This is the formula for Standard Deviation:

square root of [ (1/N) times Sigma i=1 to N of (xi - mu)^2 ]