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August 30, 2014

August 30, 2014

Posted by **Jen** on Monday, October 17, 2011 at 1:21am.

First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51

Mean = 72 Median = 72 Mode = 98 Midrange = 57

Answer each of the following:

I. What score was earned by more students than any other score? Why?

II. What was the highest score earned on the exam?

III. What was the lowest score earned on the exam?

IV. According to Chebyshev's Theorem, how many students scored between 45 and 99?

V. Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 45 and 99?

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