Which of the following statements applies to a point estimate?
A) The point estimate is a parameter.
B) The point estimate will tend to be accurate if the sample size exceeds 30 for non-normal populations.
C) The point estimate is subject to sampling error and will almost always be different from the population value.
D) The point estimate is needed to determine the required sample size when estimating the population mean.

Question

Quizplus · Accepted Answer

Point estimates are statistics calculated from sample data and used to estimate population parameters. They are subject to sampling error, meaning they will likely differ from the actual population value due to the variability inherent in drawing samples from a population.

Which of the Following Statements Applies to a Point Estimate