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A distribution of test scores is unimodal and symmetric with mean points and standard deviation s points. a. Estimate the percentage of scores that are
A distribution of test scores is unimodal and symmetric with mean points and standard deviation s points.
a. Estimate the percentage of scores that are between and points.
b. How many standard deviations apart are the scores and points?
c. Use parts (a) and (b) to explain why if there are no outliers, it makes sense that the range of the scores is about 6s.
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