In a sample that interviews only some of the individuals in a population,the mean or average income is properly termed a(n)____.
A)statistic
B)parameter
C)tendency
D)true value

Question

Quizplus · Accepted Answer

A statistic is a numerical summary of a sample, such as the mean income of individuals who were interviewed in a survey. A parameter, on the other hand, is a numerical summary of a population, which would be unknown unless the entire population were to be surveyed. Tendency and true value are not typically used to describe statistical measures.

In a Sample That Interviews Only Some of the Individuals