(1)當樣本數固定,若降低a,則β會______；

7.On the first statistics exam, the coefticient of determination between the hours studied and the grade earned was 80%. The standard error of estimate was 10. There were 20 students in the class. Develop an ANOVA table for the regression analysis of hours studied as a predictor of the grade carned on the first statistics exam. (8分)

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(1)當樣本數固定,若降低a,則β會______；

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