A simple random sample of 5 observations from a population containing 400 elements was taken, and the following values were obtained. 15
19
21
24
31
A point estimate of the mean is
A) 4.
B) 22.
C) 21.
D) 110.

Question

Quizplus · Accepted Answer

The point estimate of the mean is calculated by summing all the observations and dividing by the number of observations. Here, (15+19+21+24+31)/5 = 110/5 = 22.

A Simple Random Sample of 5 Observations from a Population