We have consumption (Y) and their savings (X) and amount of credits. Data is given below. Please estimate the regression model for the variables by using normal equations and showing all calculation steps clearly. Also interpret the coefficients. consumption-140,155,159,179,192,200,212,215
savings-30,62,67,70,71,72,75,78
credits- 22,25,24,20,15,14,14,11