PLEASE SHOW ME HOW TO FIGURE IT OUT

If a sample of 51 employees were taken from a population of 606 employees, s^2 could refer to the variance of how many of the employees' salaries?

A. 606
B. Both 51 and 606
C. 51
D. Neither 51 nor 606

Question

PLEASE SHOW ME HOW TO FIGURE IT OUT

If a sample of 51 employees were taken from a population of 606 employees, s^2 could refer to the variance of how many of the employees' salaries?

A.	606
 		B.	Both 51 and 606
 		C.	51
 		D.	Neither 51 nor 606

kropot72 · Answer

Do you know what the symbol s stands for in the question?

anonymous · Answer

yes s^2 is the sample variance

kropot72 · Answer

Correct.The sample variance is calculated using the sample mean, however the population variance is calculated using the population mean. Therefore does it seem reasonable to use the sample variance in relation to the population variance?