Question

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Answer 1

SUMMARY OUTPUT Right arm(X) Left arm(Y) 102 177 101 170 93 145 144 77 Regression Statistics Multiple R 0.852677 R Square 0.727058 Adjusted R Square 0.636077 Standard Error 9.755298 Observations 5 76 144 ANOVA df F ignific 7.99134 0.06 Regression Residual Total SS MS 1 760.5025 760.5025 3 285.4975 95.16583 4 1046 Intercept Right arm(x) Coefficientstandard Erro t Stat P-value Lower 58.02 34.93395 1.660805 0.195337 -53 1.091 0.385974 2.826896 0.066359 -0.1:

The regression equation is y hat = 58 + 1.1 x

When the blood pressure in the right arm is 80mm Hg , the best predicted blood pressure in the left arm is = 58 + 1.1 *80 = 146 mm Hg.

Steps in Excel-

1. Type the data in two columns.

2. Go to Data then Data analysis then Regression and click Ok.

3. In the appearing box , fill the desired boxes.

4. Click ok.

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SUMMARY OUTPUT Right arm(X) Left arm(Y) 102 177 101 170 93 145 144 77 Regression Statistics Multiple R 0.852677 R Square 0.727058 Adjusted R Square 0.636077 Standard Error 9.755298 Observations 5 76 144 ANOVA df F ignific 7.99134 0.06 Regression Residual Total SS MS 1 760.5025 760.5025 3 285.4975 95.16583 4 1046 Intercept Right arm(x) Coefficientstandard Erro t Stat P-value Lower 58.02 34.93395 1.660805 0.195337 -53 1.091 0.385974 2.826896 0.066359 -0.1: