[Solution] For a particular sample of 50 scores on a psychology exam, the following results were obtained. First quartile = 38 Third quartile = 70 Standard


Question: For a particular sample of 50 scores on a psychology exam, the following results were obtained.

First quartile = 38

Third quartile = 70

Standard deviation = 9

Range = 58

Mean = 59

Median = 64

Mode = 65

Midrange = 67

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 23 and 95?

- Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 50 and 68?

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