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  3. the first statistics exam had a mean of 74 and a s

The first statistics exam had a mean of 74 and a standard deviation of 10...

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The first statistics exam had a mean of 74 and a standard deviation of 10 points the second had a mean of 83 and a standard deviation of 5 points Anna scored a 83 on both tests Megan scored 90 on the first exam and 76 on the second They both totaled 166 points on the two exams but Anna claims that her total is better Explain which is greater than Megan s total of The total of Anna s z scores is Round to one decimal place as needed COL

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