Blood pressure: A blood pressure measurement consists of two numbers: the systolic pressure, which is the maximum pressure taken when the heart is contracting, and the diastolic pressure, which is the minimum pressure taken at the beginning of the heartbeat. Blood pressures were measured, in millimeters, for a sample of 10

adults. The following table presents the results.

Systolic Diastolic Systolic Diastolic

119 69 112 75

118 88 107 71

130 76 110 74

116 70 108 69

133 91 105 66

What is the Regression line equation ŷ ?

Based on results published in the Journal of Human Hypertension