An unbiased estimate of the population total is given by the
A) sample mean multiplied by the size of the sample.
B) sample mean multiplied by the size of the population.
C) sample size multiplied by the standard error.
D) standard deviation divided by the square root of the sample size.

Question

Quizplus · Accepted Answer

The unbiased estimate of the population total is obtained by multiplying the sample mean by the size of the population. This method assumes that the sample mean is a good representation of the population mean, thus scaling it up to the population size gives an estimate of the total value in the population.

An Unbiased Estimate of the Population Total Is Given by the