Suppose that a newspaper predicted that Candidate A would defeat Candidate B in a certain election. They conducted a poll of telephone directories with a response rate of 24​%. On the basis of the​ results, the newspaper predicted that Candidate A would win with​ 57% of the popular vote.​ However, Candidate B won the election with about​ 62% of the popular vote. At the time of this​ poll, most households with telephones belonged to the party of Candidate A. Name two biases that led to this incorrect prediction.
A. Sampling bias: Using an incorrect frame led to under-coverage.
Response bias: The way the poll was administered showed bias.
B. Non-response bias: The low response rate caused bias.
Sampling bias: Using an incorrect frame led to undercoverage.
C. Non-response bias: The low response rate caused bias.
Response bias: The way the poll was administered showed bias.