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Chet is enrolled in a difficult chemistry class. On the first exam , the mean was 72 and the standard deviation was 2.1. On the second exam, the class mean was 68 and the standard deviation was 3.8. If Chet scored a 75 on both tests, on which test did he score better relative to the rest of his class ?

Chet Is Enrolled In A Difficult Chemistry Class On The First Exam The Mean Was 72 And The Standard Deviation Was 21 On The Second Exam The Class Mean Was 68 And class=

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