Mathematics, 10.08.2021 01:00, diemiten

A study reports that freshmen at public universities work 9.5 hours a week for pay, on average, and the SD is 7.1 hours. At private universities, the average is 7.8 hours, and the SD is 6.5 hours. Assume these data are based on two independent simple random samples, each of size 1000. Could the difference between the averages be explained by chance alone

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A study reports that freshmen at public universities work 9.5 hours a week for pay, on average, and...