Select the sample most representative of the population of interest
-A researcher wants to determine the status of the electorate one month before the presidential election. Select the sample most likely to produce biased data.
A) A random group of 30 persons in the phone book
B) A group of 30 persons contacted by phone with the numbers randomly chosen
C) A group of 30 persons from the researcher's birding club who voted in the last election
D) A group of 30 persons on the voter registration list

Question

Quizplus · Accepted Answer

The group from the researcher's birding club is likely to be biased because it is not randomly selected and may not represent the broader electorate's views.

Select the Sample Most Representative of the Population of Interest