The following data relate the sales figures of the barin Mark Kaltenbach’s small bed-and-breakfast inn in Portand, tothe number of guests registered that week:WEEK GUESTS BAR SALES1 16 $3302 12 2703 18 3804 14 300 a) Perform a linear regression that relates bar sales to guests (notto time).b) If the forecast is for 20 guests next week, what are the salesexpected to be? PX

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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The following data relate the sales figures of the bar
in Mark Kaltenbach’s small bed-and-breakfast inn in Portand, to
the number of guests registered that week:
WEEK GUESTS BAR SALES
1 16 $330
2 12 270
3 18 380
4 14 300

a) Perform a linear regression that relates bar sales to guests (not
to time).
b) If the forecast is for 20 guests next week, what are the sales
expected to be? PX

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