Assignment:
The gym has developed the regression model to forecast demand for trainers
Demand = 185 + (.15*advertising expenditures)-(.05*doughnuts) + (.23*swim gear sales)
What is the forecast for October, being advertising expendeitures of 1000, doughnut sales of 2450, and swim gear sales of 782 in September?
Provide complete and step by step solution for the question and show calculations and use formulas.