The following table shows the systolic blood pressure and diastolic blood pressure readings for six adults.

(a) Determine the correlation coefficient between the systolic blood pressure and the diastolic blood pressure readings.

(b) Determine whether a correlation exists at a=0.05. 

(c) Determine the equation of the line of best fit for the systolic blood pressure and the diastolic blood pressure readings.

(d) Use the equation in part (c) to estimate the diastolic blood pressure for an adult with a systolic blood pres-sure reading of 115.

Round both m and b the nearest hundredth.

Transcribed Image Text:

Systolic 143 120 110 153 100 112 Diastolic 70 80 98 70 110 75