1. The U.S. Census Bureau needs to estimate the median income of females in the U.S. They collect incomes from 3500 females. Choose the best answer. Justify for full credit.

(a) Which of the followings is the population?

(i) Set of income responses from 3500 females in the US

(ii) Income of a female in the US

(iii) Set of income responses from all females in the US

(iv) Median income of set of all females in the US

(b) Which of the followings is the parameter?

(i) Set of income responses from 3500 females in the US

(ii) Income of a female in the US

(iii) Set of income responses from all females in the US

(iv) Median income of set of all females in the US