A medical doctor wants to investigate the relationship betwe…

A medical doctor wants to investigate the relationship between Body Mass Index (BMI) and Blood Pressure (BP). He randomly selects the records of 10 of his patients and his findings are below: Patient 1 2 3 4 5 6 7 8 9 10 BMI 23 28.7 27.8 38.1 28 34.6 45.8 49.7 30.5 29.5 BP 50 56 64 66 70 78 84 90 64 58 The linear regression results are below: (y-hat)        Is it appropriate for him to use the linear regression equation to predict the blood pressure of a patient whose body mass index is 24?  

While discussing the possibility of an accident occurring, T…

While discussing the possibility of an accident occurring, Technician A says fires and explosions are a constant hazard wherever there are flammable liquids. Technician B says poor lifting and handling techniques cannot cause chronic strain injuries, particularly to your back. Who is correct?