If a store manager selected a sample of customers and computed the mean income for this sample, he has computed:
A) a parameter
B) a statistic
C) a qualitative value
D) all of these
E) none of these

Question

Quizplus · Accepted Answer

A sample mean is a statistic because it is calculated from a sample of the population. A parameter is a characteristic of the entire population.

If a Store Manager Selected a Sample of Customers and Computed