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A teacher wants to know the average amount of time a typical student at her school spends per night on homework. The teacher decides to survey $73$ students in AP classes.
Of the following, which is the most likely example of undercoverage bias?
The students might want to impress the teacher (give those kids an apple) and as a result might exaggerate the amount of time they spend per night on homework.
Students not in AP classes are overlooked in this sampling procedure used to determine who will be surveyed.
The wording of the questions in the survey leads students to respond in a certain way.
The behavior of the teacher encourages students to respond in a certain way.
Many of the students chosen to participate in the survey who do respond might spend a vastly different amount of time on homework than those who do not respond.