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...

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:WeekGuestsBar SalesAWN.16$34012$27018$39014$300a) The simple linear regression equation that relates bar sales to number of guests (not to time) is (round your responses to one decimal place):Bar Sales =+ x guestsb) If the forecast is 20 guests next week, the bar sales are expected to be $ (round your response to one decimal place).