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Q1) For particular sample of 50 scores on psychology exam, te following results were obtained.

First quartile = 42 Third quartile = 74 Standard deviation = 8 Range = 56 Mean = 58 Median = 57 Mode = 68 Midrange = 61

Answer each of the following; show all work.

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 42 and 74?

v) Suppose that distribution is normal. Based on Empirical Rule, how many students scored between 42 and 74?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9165610

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