Question: B H 1 D E F J 1 Chapter 4 - Forecasting 2 3 The following data relate the sales figures of the bar in

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