Construct a scatter plot

****PLEASE PROVIDE ALL EQUATIONS AND METHODS, **12.4    The marketing manager of a large supermarket chain has the business objective of using shelf space most efficiently. Toward that goal, she would like to use shelf space to predict the sales of pet food. Data is collected from a random sample of 12 equal-sized stores, with the following results (stored in Petfood ):a. Construct a scatter plot.For these data, and b0= 145 and b1 = 74b. Interpret the meaning of the slope,  b1 in this problem.c. Predict the weekly sales of pet food for stores with 8 feetof shelf space for pet food**PLEASE PROVIDE ALL EQUATIONS AND METHODS, **