A market researcher is interested in determining the average income for families in Duval County,Florida.To accomplish this,she takes a random sample of 400 families from the county and uses the data gathered from them to estimate the average income for families of the entire county. This process is an example of _______.
A) nonparametric statistics
B) nominal data
C) descriptive statistics
D) inferential statistics
E) census

Question

Quizplus · Accepted Answer

Taking a random sample of 400 families from the county and using the data gathered from them to estimate the average income for families of the entire county is an example of inferential statistics. Inferential statistics involves using data from a sample to make inferences or draw conclusions about a population.

A Market Researcher Is Interested in Determining the Average Income