A large southern university had problems with 17 football players being disciplined for team rule violations, arrest charges, and possible NCAA violations. The online Atlanta Journal Constitution ran a poll with the question, €œHas the football coach lost control over his players?€ having possible responses, €œYes, he€™s been too lenient,€ and €œNo, he can€™t control everything teenagers do.€
a. Was there potential for bias in this study? If so, what types of bias?
b. The poll results after two days were

Does this large sample size guarantee that the results are unbiased? Explain.

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Yes 6012 93% No 487 7%