The data show systolic and diastolic blood pressure of certain people. Find the

Question

The data show systolic and diastolic blood pressure of certain people. Find the regression equation, letting the systolic reading be the independent (x) variable. Find the best predicted diastolic pressure for a person with a systolic reading of 118. Is the predicted value close to 75.2, which was the actual diastolic reading? Use a significance level of 0.05. Systolic Diastolic 150 124 149 120 114 135 136 116 109 91 110 85 82 74 72 87 Click the icon to view the critical values of the Pearson correlation coefficient r. What is the regression equation? y=D-D(Round to two decimal places as needed )

Explanation / Answer

a) Y = 15.44+0.56x

Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 15.43643 44.74766 0.344966 0.741891 -94.0572 124.93 X Variable 1 0.56179 0.341136 1.646822 0.150694 -0.27294 1.396519

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