Two students are discussing the average family income of students on their campus. They look up the average campus income for college students and it is $77,000 with a standard deviation of $20,000 (Pryor, 2008). They are curious if the average family income on their campus is above or below the national average. They go out late one afternoon and ask 10 students their family income (they volunteer to tell the truth) and it turns out to be $69.000. The two students conclude that, indeed, the average student family income on campus is truly below average. Why might their conclusion be strongly questioned?
Two students are discussing the average family income of students on their campus. They look up the average campus income for college students and it is $77,000 with a standard deviation of $20,000 (Pryor, 2008). They are curious if the average family income on their campus is above or below the national average. They go out late one afternoon and ask 10 students their family income (they volunteer to tell the truth) and it turns out to be $69.000. The two students conclude that, indeed, the average student family income on campus is truly below average. Why might their conclusion be strongly questioned?
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