Whats A Sample Variance
Whats A Sample Variance. It is an absolute measure of . Normally, however, only a subset is .
If all possible observations of the system are present then the calculated variance is called the population variance.
The term variance refers to a statistical measurement of the spread between numbers in a data set. We're taking the sum of the squared distances. Add all data values and divide by the sample size n. If all possible observations of the system are present then the calculated variance is called the population variance.