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 Bar Sales $320 $265 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): $390 $315 x guests b) If the forecast is 30 guests next week, the bar sales are expected to be $ (round your response to one decimal place).

a) The simple linear regression equation that relates bar sales to number of guests (not to timo) is (round your responses to one decimal place): Bar Sales = guests b) If the forecast is 30 guests next week, the bar sales are expected to be $ (round your response to one decimal place)