Stats help please?!

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

Stats help please?!

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

anonymous · Answer

Usually sigma or N is used to denote the sum of something and meu for average values,this is highly dependent on the preference of the organisation i would say..however going through all options it seems d is the best one