The second moment about mean is
A. $$\frac{{\sum {{{\left( {x - \overline x } \right)}^2}} }}{N}$$
B. $$\frac{{{{\left( {x - \overline x } \right)}^3}}}{N}$$
C. $$\frac{{{{\left( {x - \overline x } \right)}^2}}}{N}$$
D. None of these
Answer: Option A
Join The Discussion