1. Statistics
2. Correlation and Regression Analysis
3. Linear Regression
4. 24054

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The following data relate the sales figures of the bar in Marty and Polly Starr's small bed-and-breakfast inn in Marathon, Florida, 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?

See the attached file.