The following data relate the sales figures of the bar in Marty and Polly Starrs small bed-and-breakfast
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(a) Perform a linear regression that related bar sales to guest (not to time).
(b) If the forecast is for 20 guests next week, what are the sales expected tobe?
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a x y xy x 2 16 330 5280 256 12 270 3240 144 18 380 6840 324 14 300 ...View the full answer
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