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Explain what is measured by the sign of a z -score and what is measured by its numerical value. For a distribution of scores, X
- Explain what is measured by the sign of a z-score and what is measured by its numerical value.
- For a distribution of scores, X = 40 corresponds to a z-score of z = -1.00, and X = 42 corresponds to a z-score of z = -0.50. What are the values for the mean and standard deviation for the distribution? Example sketch a distribution and locate each of the z-score positions
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