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I need some help with this, please. The first statistics exam had a mean of 72 and a standard deviation of 15 points; the second

I need some help with this, please.
The first statistics exam had a mean of 72 and a standard deviation of 15 points; the second had a mean of 85 and a standard deviation of 4 points. Anna scored a 83 on both tests. Megan scored 88 on the first exam and 78 on the second. They both totaled 66 points on the two exams, but Anna claims that her total is better. Explain

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