A professor surveys a sample of 25 students to find how many hours per week they work at a job. She finds the typical number of hours reported is 15. The value of 15 hours is a(n).
A)parameter
B)inference
C)statistic
D)estimate

Question

Quizplus · Accepted Answer

The value 15 hours is a measure of the sample, not the population, so it is a statistic. A parameter is a measure of the population. Inference refers to drawing conclusions or making predictions based on data analysis. An estimate is an approximation of an unknown value based on data.

A Professor Surveys a Sample of 25 Students to Find