### Use chebyshev-s theorem-empirical rule to solve problem

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For a particular sample of 50 scores on ap psychology exam, the following results were obtained. First quartile = 67 Third quartile = 91 Standard deviation = 9 Range = 48 Mean = 75 Median = 80 Mode = 81 Midrange = 74 Answer each of the following; show all work. What score was earned by more students then any other score? Why? What is the highest and lowest score earned on the exam? According to Chebyshev's Theorem, how many students scored between 57 and 93? Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 57 and 93?

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Percentage grades in a large chemistry class follow a normal distribution with mean 67 and standard deviation 8. (a) What proportion of students in the class receive a grade l

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