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?