Question

A research study aims to estimate the mean annual household expenditure of all households in a metropolitan city. The study investigator plans to collect data on annual expenditure from a random sample of 100 households.

By studying the sampling distribution of the mean annual expenditure, we will be able to ... (choose all that apply)

a) compute the mean annual household expenditure of all households in the metropolitan city;

b) obtain all possible random samples of households from the metropolitan city;

c) gauge how well the mean annual household expenditure computed from a random sample estimates the mean annual household expenditure of all households in the metropolitan city;

d) determine a range in which most of the sample mean annual household expenditures (computed from repeated random samples of the households) will fall

Answer 1