Question: Return 14 24 0.17 points 14. Which grade is better: A 78 on a test whose mean is 72 and a standard deviation of 6.5,

Return 14 24 0.17 points 14. Which grade is better: A 78 on a test whose mean is 72 and a standard deviation of 6.5, or an 83 on a test whose mean is 77 and standard deviation is 8.4. O 78 83 Previous Next

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