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Student Council Candidates

APSTAT-NQBTTY

Jeff sends everyone in his high school a survey asking which of three student council candidates his peers will support. Out of $1,300$ students, $403$ returned completed surveys.

What is the biggest problem with Jeff’s survey technique?

A

Undercoverage is clearly present in this survey.

B

He didn’t ensure that males and females were equally represented in the response.

C

The data may exhibit non-response bias.

D

He should have done a matched pair analysis.

E

He didn’t talk to the respondents in person.