A simple random sample of 43 elements has been selected from a population of size 800. The sample mean is 600, and the sample standard deviation is 60. The population total is
A) 36,000
B) 25,800
C) 480,000
D) 500,000

Question

Quizplus · Accepted Answer

We can use the formula for the population total:
Population total = Sample mean x Population size
We know the sample mean is 600 and we have the population size as 800. 
So, Population total = 600 x 800 = 480,000. 
Therefore, the best choice is C.

A Simple Random Sample of 43 Elements Has Been Selected