Select the sample most representative of the population of interest in
-A researcher wishes to determine the average number of text messages per month sent by high school students who have cell phones.
A) Ask a random sample of 100 students how many text messages they send.
B) Ask a random sample of 100 students with cell phones how many text messages they send.
C) Interview 100 students in the mall who are seen talking on their cell phones.
D) Randomly select the cell phone records of 100 high school students.

Question

Quizplus · Accepted Answer

Randomly selecting the cell phone records of 100 high school students would provide the most representative sample of the population of interest, as it would include all high school students with cell phones, regardless of whether they were seen talking on their phones or not.

Select the Sample Most Representative of the Population of Interest