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For a distribution of scores, X = 40 corresponds to a z-score of z - +1.00, and X - 28 corresponds to a z-score of

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For a distribution of scores, X = 40 corresponds to a z-score of z - +1.00, and X - 28 corresponds to a z-score of z - - 0.50. What are the values for the mean and standard deviation for the distribution? (Hint: Sketch a distribution and locate each of the z-score positions.)

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