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The GPAs of all college students nationwide are known to be right skewed with a mean of 2.9 and a standard deviation of 0.24. A

The GPAs of all college students nationwide are known to be right skewed with a mean of 2.9 and a standard deviation of 0.24. A random sample of 20 college students was collected and their GPAs were recorded. The sample mean was found to be 3.28. Find the Z-score corresponding to that sample mean

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