A researcher wants to know what the average variation is in altimeters of small, privately owned airplanes.The task of determining this is expensive and time-consuming, if even possible, given the large number of such airplanes.The researcher decides to use government records to randomly locate the owners of ten such planes and then get permission to test the altimeters.When the researcher is done the data gathered from the group of ten will be used to reach conclusions about all small, privately owned airplanes.This process can best be described as ___.
A)data statistics
B)research statistics
C)descriptive statistics
D)inferential statistics
E)nonparametric statistics

Question

Quizplus · Accepted Answer

This process involves using a sample of ten small, privately owned airplanes to make inferences about all such airplanes. Therefore, it is an example of inferential statistics.

A Researcher Wants to Know What the Average Variation Is