hwww8.xlsx - hours stud x-m 1 9 6 8 6 sum mean n ss...

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hours studx-m x-m2 Z scores grade earnx-m x-m^2 Z scores cross produ 1 -5 25 -1.813691 53 -19.8 392.04 -1.383027 2.508383 9 3 9 1.088214 93 20.2 408.04 1.410967 1.535434 6 0 0 0 84 11.2 125.44 0.782318 0 8 2 4 0.725476 71 -1.8 3.24 -0.12573 -0.091214
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