A study was conducted to determine whether lifestyle changes could replace medication in reducing blood pressure among hypertensives. The factors considered were a healthy diet with an exercise program, the typical dosage of medication for hypertension, and no intervention. The pretreatment body mass index (BMI) was also calculated because it is known to affect blood pressure. The response considered in this study was change in blood pressure. The variable group has the following levels.1 = Healthy diet and an exercise program2 = Medication3 = No intervention(a) Fit an appropriate model using the data above. Does it appear that exercise and diet could be effectively used to lower blood pressure? Explain your answer from the results.(b) Would exercise and diet be an effective alternative tomedication?

Change in Blood Pressure Group BMI 27.3 - 32 -21 22.1 -26 26.1 -16 27.8 19.2 -11 -19 26.1 -23 28.6 23.0 - 5 - 6 28.1 25.3 -11 3. 26.7 22.3 14 3.