Exercise #2 - RU Hungry's General Manager is performing some longer range planning and is interested to know what the demand will be over the next one year time horizon. Using simple linear regression as your forecasting technique, please provide your demand forecast for periods 18, 19, 20 and 21. RUHungry Banquet Hall Guests Served by quarter since January 2013. Guests Served 2014 I 1 3,500 2 2 8,300 5,400 __ 9,050 4,300 5,800 4 8 5,800 5,200 3 11 7,700 15300 2017 I 13 13,500 2 14 17,500 3 15 12,800 18,300 13,600 '3??? '3??? ???? '3??? Hthh-eh