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Mathematics, 20.10.2020 18:01 mdlemuslopez

1. A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to each of the following values:
a) A score of 60, where the mean score of the sample data values is 40.
b)A score that is 30 points below the mean.
c)A score of 80, where the mean score of the sample data values is 30.
d)A score of 20, where the mean score of the sample data values is 50.

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