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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
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 of mercury (mmHg), for a sample of 10 adults. The following table presents the results. Use a TI-84 calculator to answer the following. Systolic Diastolic Systolic Diastolic 112 75 157 103 107 71 154 94 110 74 134 87 108 69 115 83 105 66 113 77 Based on results published in the Journal of Human Hypertension Send data to Excel Part 1 of 4 Compute the least-squares regression line for predicting the diastolic pressure from the systolic pressure. Round the slope and y-intercept to at least four decimal places. Regression line equation: y = 0.5732 + 10.2562 x Part 2 of 4 Is it possible to interpret the y-intercept? Explain. No , the x-values are all positive Part 3 of 4 If the systolic pressures of two patients differ by 7 millimeters, by how much would you predict their diastolic pressures to differ? Round the answer to three decimal places. Their diastolic pressures would differ by 72.367 millimeters.Part 3 of 4 If the systolic pressures of two patients differ by 7 millimeters, by how much would you predict their diastolic pressures to differ? Round the answer to three decimal places. Their diastolic pressures would differ by 72.367 millimeters. Part: 3 / 4 Part 4 of 4 Predict the diastolic pressure for a patient whose systolic pressure is 131 millimeters. Round the answer to one decimal place. The diastolic pressure is predicted to be 1344.1 millimeters
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