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 that week: Week 1 2 3 4 Guests 16 Bar Sales = 12 18 14 a) The simple linear regression equation that relates bar sales to number of guests (not to time) is (round your responses to one decimal place): + x guests Bar Sales $320 $265 $390 $315 b) If the forecast is 20 guests next week, the bar sales are expected to be $ place). (round your response to one decimal

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 that week: a) The simple linear regression equation that relates bar sales to number of guests (not to time) is (round your responses to one decimal place): BarSales=+guests b) If the forecast is 20 guests next week, the bar sales are expected to be $ (round your response to one decimal place)