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Calculate the first- and third-quartile scores for the exam

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Reference no: EM131643773

Question: Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean μ = 81 points and standard deviation σ = 15 points.

a. Calculate the first- and third-quartile scores for this exam.

b. The middle 50% of the exam scores are between what two values?

Reference no: EM131643773

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