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math   Statistics-And-Probability   
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Answer #1

From the given data

X Y X^2 Y^2 XY
1 83 56 6889 3136 4648
2 85 46 7225 2116 3910
3 78 48 6084 2304 3744
4 79 52 6241 2704 4108
5 78 47 6084 2209 3666
7 71 41 5041 1681 2911
Total: 474 290 37564 14150 22987

1) Ho , the slope of the population regression line is zero ie, A = 0 the slope of the population regression line is posithe te. A Let the lose be α=596 2) S 4.558 SS--37564-7118 (Zr) 474 4558 =0.4156 0.4156 Ss 118 Test statistic 0413 0.89046 = = 0.4156 3) P-value = 0.2109 Here P-value > alpha 00I so we accept HO t. e The slope of the population regression coeficetat is not >0

Correct answer: Option (A)

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