A government-commissioned study discovered that, the reduction in the rate of falling (Y) in older citizens (>65 years) is inversely related to leg injuries (X₂) but directly related to exercise (X₁). [Where: Y = reduction in the rate of falling; X₁= exercise; X₂= to leg injuries] Q.1.2.1 State the general linear relationship form. Q.1.2.2 Include the stochastic error tern to your equation in Q.1.2.1.