When calculating the standard deviation,we divide by n-1 because the sample is drawn from a population and we are trying to determine how much the responses vary from the mean of the entire population.

Question

Quizplus · Accepted Answer

Dividing by n-1 (where n is the sample size) instead of n corrects the bias in the estimation of the population variance and standard deviation from a sample, making it an unbiased estimator. This adjustment is known as Bessel's correction.

When Calculating the Standard Deviation,we Divide by N-1 Because the Sample