A simple random sample of 28 observations was taken from a large population. The sample mean equaled 50. Fifty is a
A)population parameter
B)biased estimate of the population mean
C)sample parameter
D)point estimate

Question

Quizplus · Accepted Answer

The sample mean of 50 is a single value that estimates the population mean, making it a point estimate. It is not a population parameter or sample parameter, and whether or not it is biased cannot be determined without additional information about the population.

A Simple Random Sample of 28 Observations Was Taken from a Large