Which of the following explains why point estimation can be a useful procedure to estimate a population mean?
A)It defines the range of scores within which the population mean is likely to be contained.
B)The sample mean is equal to the population mean on average.
C)The sample mean is an unbiased estimator of the population mean.
D)both B and C

Question

Quizplus · Accepted Answer

Both options B and C explain why point estimation can be useful for estimating a population mean. The sample mean is a good estimator for the population mean when the sample is selected randomly and without bias, and the sample mean is equal to the population mean on average over multiple replications. Therefore, using the sample mean as a point estimate can provide a reasonably accurate estimate of the population mean.

Which of the Following Explains Why Point Estimation Can Be