First quartile = 42 Third quartile = 69 Standard deviation = 10 Range = 54
Mean = 62 Median = 56 Mode = 83 Midrange = 66
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 32 and 92?
V. Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 52 and 72?
Please show all of your work.
This question was asked on Jan 22, 2013.
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