Please help me answer A-C

B D E F G H K L M A 1 Chapter 4 - Forecasting (15 Pts) 2 3 The following data relate the sales figures of the bar in Mark Kaltenbach's small bed-and-breakfast inn in 4 Portland, to the number of guests registered this week: 5 a) Perform a linear regression that relates bar sales to guests (not to time) 6 b) What is the coefficient of correlation? Is it strong, mild or weak? Explain your answer to get full point: 7 c) If the forecast is for 20 guests next week, what are the sales expected to be? 8 9 10 11 12 Week Guests Bar Sales 13 1 24 330 14 2 23 $ 270 15 3 26 380 16 4 36 $ 300 17 18 19