What was wrong with the survey done by Literary Digest in 1936?
A)their sample did not accurately reflect the proportions of Republicans and Democrats
B)they only had 10% of their surveys returned
C)they used simple random sampling instead of the more sophisticated cluster sampling
D)they used cluster sampling, when stratified sampling was required

Question

Quizplus · Accepted Answer

The survey's sample was biased because it was drawn from telephone directories and automobile registrations, which overrepresented wealthier individuals who were more likely to be Republican, leading to inaccurate predictions.

What Was Wrong with the Survey Done by Literary Digest