The ________ and variance are derived from a subset of the population data and are used to make inferences about the population.
A) population variance
B) population standard deviation
C) population mean
D) sample mean

Question

Quizplus · Accepted Answer

The sample mean and variance are derived from a subset of the population data and are used to make inferences about the population. The population mean and variance refer to the entire population, which may not be feasible to calculate or measure. Therefore, we use the sample mean and variance as estimates for the population parameters.

The ________ and Variance Are Derived from a Subset of the Population