Every 10 years the United States takes a census, which is a survey of every person in the country. If you took the census data that told you the number of people in the United States, and if from all those numbers you calculated the mean age, what symbols would you use to represent these numeric facts?

A. N and x̄
B. n and x̄
C. n and μ
D. N and μ
E. Σ and x̄

Question

Every 10 years the United States takes a census, which is a survey of every person in the country. If you took the census data that told you the number of people in the United States, and if from all those numbers you calculated the mean age, what symbols would you use to represent these numeric facts?

A. N and x̄
B. n and x̄
C. n and μ
D. N and μ
E. Σ and x̄

hockeychick23 · Answer

@jim_thompson5910

directrix · Answer

Which of the symbols are used with populations and not samples from the population?

directrix · Answer

Go here and look for the population parameter statistics notation. http://www.tc3.edu/instruct/sbrown/swt/symbol.htm

hockeychick23 · Answer

I think its D. i just wanted to check

directrix · Answer

I agree with D. N and μ
although you were not asked about calculating the standard deviation of the population.

But, none of the other options are correct so I would go with D.

hockeychick23 · Answer

thanks!!!

directrix · Answer

You are welcome.