A simple random sample of 5 observations from a population containing 400 elements was taken,and the following values were obtained.

A point estimate of the mean is
A)400
B)18
C)20
D)10

Question

A simple random sample of 5 observations from a population containing 400 elements was taken,and the following values were obtained.

A point estimate of the mean is
A)400 
B)18 
C)20 
D)10

Quizplus · Accepted Answer

The point estimate of the mean can be calculated by taking the average of the sample.

(16 + 18 + 20 + 19 + 17) / 5 = 18

Therefore, the best choice is B.

A Simple Random Sample of 5 Observations from a Population