John wanted to determine the average cost of renting a two-bedroom apartment in the Indianapolis area.To save time, he called 20 college friends who lived in two-bedroom apartments and asked them how much rent they paid.He then used these figures to get his estimate.Answer questions 3-5 below based on this story.

Which type of sampling bias did John's study most likely to suffer from?

Group of answer choices

Response bias

Undercoverage

Non-response

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