Thirteen students entered the business program at Sante Fe College 2 years ago. The following table indicates what each student scored on the high school SAT math exam and their grade-point averages (GPAs) after students were in the Sante Fe program for 2 years. a) The least-squares regression equation that shows the best relationship between GPA arhi the SAT score is (round your responses to four decimal places): y^=+x where y^= GPA and x= SAT score. a) MAD for the forecast developed by the management's technique = sales (round your response to two decimal places). MAPE for the forecast developed by th. management's technique = % (round your response to two decimal places). b) Using the Naive Method, the forecast for period March through June is (round your rosponse to two decimal places): MAD for the naive forecast = sales (round your responso to two decimal placos)