Question: 5. A professor administers a 5-point quiz to a class of 40 students. The professor calculates a mean of 4.2 for the quiz with a

5. A professor administers a 5-point quiz to a class of 40 students. The professor calculates a mean of 4.2 for the quiz with a standard deviation of 11.4. Although the mean is a reasonable value, you should realize that the standard deviation is not. Explain why it appears that the professor made a mistake computing the standard deviation.

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