The average age in a sample of 190 students at City College is 22. As a result of this sample, it can be concluded that the average age of all the students at City College
A)must be more than 22, since the population is always larger than the sample
B)must be less than 22, since the sample is only a part of the population
C)could not be 22
D)could be larger, smaller, or equal to 22

Question

Quizplus · Accepted Answer

Since the sample of 190 students is only a part of the entire student population at City College, the average age could be larger, smaller, or equal to 22. Therefore, choices A, B, and C are all incorrect.

The Average Age in a Sample of 190 Students at City