Question

# Listed below are systolic blood pressure measurements​ (in mm​ Hg) obtained from the same woman. Find...

Listed below are systolic blood pressure measurements​ (in mm​ Hg) obtained from the same woman. Find the regression​ equation, letting the right arm blood pressure be the predictor​ (x) variable. Find the best predicted systolic blood pressure in the left arm given that the systolic blood pressure in the right arm is 85 mm Hg. Use a significance level of 0.05.

 Right Arm Left Arm 103 102 95 75 74 174 167 151 148 148

The regression equation is y=92.8p+0.7x.

​(Round to one decimal place as​ needed.)

Given that the systolic blood pressure in the right arm is 85mm​ Hg, the best predicted systolic blood pressure in the left arm is _______

​(Round to one decimal place as​ needed.)

The statistical software output for this problem is: p - Value for slope = 0.066

This p - value is greater than 0.05 so we do not reject the null hypothesis. Hence,

Best predicted left arm blood pressure

= Average of all y values

= (174 + 167 + 151 + 148 + 148)/5

= 788/5

= 157.6

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