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Stats look at attachment A random sample of 30 high school students is selected. Each student is asked how many hours he or she spent

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Stats look at attachment

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A random sample of 30 high school students is selected. Each student is asked how many hours he or she spent on the Internet during the previous week. The results are shown in the histogram. Estimate the sample mean and variance. Frequency 5 6 7 8 9 10 11 12 13 14 Hours Upload Choose a File 17 pts D Question 3 (?) 30F Haze O W hp

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