Question

-- of 5 points
eoc q6.8
3 tries left
why did the 1936 literary digest poll produce such an inaccurate prediction about who would win that year’s presidential election?
the magazine intentionally manipulated the results to suggest a republican victory.
the questions asked by the poll were confusing and unclear.
it was based on a biased sample of higher - income americans who were more likely to vote republican.
its sample size was too small.

Explanation:

The 1936 Literary Digest poll's inaccuracy was due to sampling bias. The poll used sources like phone books and club membership lists, which overrepresented higher - income Americans (more likely to vote Republican) and underrepresented lower - income groups who favored Roosevelt. The first option is incorrect as there's no evidence of intentional manipulation. The second is wrong as the issue was sampling, not question clarity. The fourth is incorrect as the sample size was large but biased. So the correct reason is the biased sample.

Answer:

C. It was based on a biased sample of higher - income Americans who were more likely to vote Republican.