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 6 adults. The following table presents the results. Systolic Diastolic 113 77 107 71 123 77 110 74 130 76 157 103 Send data to Excel The least-squares regression line = b+bx = 7.8728+0.5821x and (x-x) = 1729.3333 are known for these data. Construct a 99% confidence interval for the slope. Round the answers to at least four decimal places. The 99% confidence interval is |