statq2a - Quiz 2 ReturntoAssessmentList Part1of6...

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Quiz 2 Return to Assessment List   Part 1 of 6 -  Question 1 of 6 Scores on an exam follow an approximately bell shaped distribution with a mean of 76.4 and a standard deviation of 6.1 points. Approximately, what percentage of the data is between 70.3 points and 82.5 points? A. 99.7% Feedback: No, 70.3 and 82.5 are one standard deviation away from the mean. So, according to the Empirical  Rule, there should be 68% of the data within one standard deviation.  B. 95% C. 68% D. 50% Feedback: This is an application of the Empirical Rule. The Empirical Rules states that about 68% of the data lies within one standard deviation of the mean, about 95% of the data lies within two standard deviations of the mean and about 99.7% of the data lies within three standard deviations of the mean.
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Part 2 of 6 -  Question 2 of 6 Match each term on the left column with the appropriate description from the right column description. Each answer choice will only be used one time.
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statq2a - Quiz 2 ReturntoAssessmentList Part1of6...

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