How do you find calculate the variance of the problem with N=72; n=6;

How do you find calculate the variance of the problem with N=72; n=6; and x values of 59,112,45, 115, 50, and 141. The mean of these is equal to 87.

How do you find calculate the variance of the problem with N=72; n=6;

How do you find calculate the variance of the problem with N=72; n=6; and x values of 59,112,45, 115, 50, and 141. The mean of these is equal to 87.