a) The demand for a new product in its first three quarters has been 14.7, 12.3 and 7.5. Using the average method, what is the forecast for the next quarter? Give your answer using a single decimal. b) The demand for a new product in its first three quarters has been 7.0,7.7 and 10.3. Use a simple linear trendline in Excel to forecast its demand for the next quarter. Give your answer using a single decimal. c) The quarterly demand for a new product in its first year has been 14.9, 8.8, 6.8 and 5.8. Use a 3-point moving average to forecast its demand for the first quarter in the second year. Give your answer using a single decimal. d)Find the slope of the linear regression line through the three data points (3,42.5),(12,6.8) and (26,24.9). Give your answer using two decimals. e) For the Alumni Giving data, you may also be interested in the graduation and alumni giving rates, the student/faculty ratio and the percentage of classes offered with fewer than 20 students but at all 48 universities combined. Of course, you also already know (or can again check) that the descriptive statistics report respective means as 83.0(%),29.3(%),11.5 and 55.7(%). Are these averages correct? Question options