Question

A researcher wants to know the average value of all passenger cars in the US. The researcher selects 200 cars, and finds the average value of those cars to be $12,410. Identify the population, sample, parameter, statistic, and variable in this problem.

Answer 1

Population: All passenger cars in the US.

Sample: The 200 cars selected by the researcher.

Parameter: The average value of all passenger cars in the US.

Statistic: The average value of the 200 cars in the sample.

Variable: The value of passenger cars.