Arnold Tofu owns and operates a chain of 12 vegetable protein “hamburger” restaurants in northern Chicago area. Sales figures and profits for the stores are in the table below. Sales are given in millions of dollars; profits are in hundreds of thousands of dollars. Calculate a regression line for the data. What is your forecast of profit for a store with sales of $24 million? 30 million?

Practical Management Science
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Author:WINSTON, Wayne L.
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Chapter2: Introduction To Spreadsheet Modeling
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Arnold Tofu owns and operates a chain of 12 vegetable protein “hamburger” restaurants in
northern Chicago area. Sales figures and profits for the stores are in the table below. Sales are
given in millions of dollars; profits are in hundreds of thousands of dollars. Calculate a regression
line for the data. What is your forecast of profit for a store with sales of $24 million? 30 million?
3. Arnold Tofu owns and operates a chain of 12 vegetable protein “hamburger" restaurants in
northern Chicago area. Sales figures and profits for the stores are in the table below. Sales are
given in millions of dollars; profits are in hundreds of thousands of dollars. Calculate a regression
line for the data. What is your forecast of profit for a store with sales of $24 million? 30 millions?
Store
Sales
Profits
Store
Sales
Profits
1
14 | 7
17
22
2
11
8
12
21
3
5
15 9
15
26
5
16 10
20
43
15
24 11
14
34
6
18
28 12
5
9
Transcribed Image Text:3. Arnold Tofu owns and operates a chain of 12 vegetable protein “hamburger" restaurants in northern Chicago area. Sales figures and profits for the stores are in the table below. Sales are given in millions of dollars; profits are in hundreds of thousands of dollars. Calculate a regression line for the data. What is your forecast of profit for a store with sales of $24 million? 30 millions? Store Sales Profits Store Sales Profits 1 14 | 7 17 22 2 11 8 12 21 3 5 15 9 15 26 5 16 10 20 43 15 24 11 14 34 6 18 28 12 5 9
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