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Question 242761: For a particular sample of 50 scores on a psychology exam, the following results were obtained.
First quartile = 39 Third quartile = 71 Standard deviation = 10 Range = 62
Mean = 62 Median = 61 Mode = 68 Midrange = 69
Answer each of the following; show all work.
- What score was earned by more students than any other score? Why?
- What was the highest score earned on the exam?
- What was the lowest score earned on the exam?
- According to Chebyshev's Theorem, how many students scored between 42 and 82?
- Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 42 and 82?
First quartile = 39 Third quartile = 71 Standard deviation = 10 Range = 62
Mean = 62 Median = 61 Mode = 68 Midrange = 69
Answer each of the following; show all work.
- What score was earned by more students than any other score? Why?
- What was the highest score earned on the exam?
- What was the lowest score earned on the exam?
- According to Chebyshev's Theorem, how many students scored between 42 and 82?
- Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 42 and 82?
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