The following data was collected from a simple random sample of a population. The point estimate of the population mean
A) cannot be determined, since the population size is unknown.
B) is 18.4.
C) is 18.
D) is 92.

Question

The following data was collected from a simple random sample of a population.  The point estimate of the population mean
A) cannot be determined, since the population size is unknown. 
B) is 18.4. 
C) is 18. 
D) is 92.

Quizplus · Accepted Answer

The point estimate of the population mean is the average of the sample observations. From the given data, the sum of the sample observations is 92 and the sample size is 5. Therefore, the point estimate of the population mean is 92/5 = 18.4.

The Following Data Was Collected from a Simple Random Sample