Question

Suppose a population contains 80,000 people. All else being equal, a study based on a population sample that includes which of the following numbers of respondents would be the most reliable?

A.8000
B.8
C.800
D.80

Answer 1

I'd say A. 8000, because you'd get the most answers and the biggest variety in answers for a more accurate sample.

Answer 2

Answer: A.8000

Explanation:

In statistics , the largest possible sample gives the most reliable results.

[ Since a large sample could have more variation as compare to the small sample.]

Given : A a population contains 80,000 people.

All else being equal, a study based on a population sample that includes .

Given sample sizes : A.8000 B.8 C.800 D.80

Clearly 8000 is the largest number .

It means numbers of respondents would be the most reliable = 8000

Hence, A is the correct answer.