A Statistics instructor wishes to know the average age (in month)of his 200 students.He decides to choose 25 students from the class and ask them for their age.All 200 names are put in a hat and 25 names are then chosen at random (without replacement).The average age of the students chosen is observed to be 231 months.In this example,"25" is known as what?

Question

Quizplus · Accepted Answer

The 25 students chosen are known as the sample, and the total number of students is the population. Therefore, the correct choice is (E) the sample size. A census involves collecting data from the entire population, which is not the case here. The population size would be 200 in this case.

A Statistics Instructor Wishes to Know the Average Age (In