Test the slope of the regression line determined in Problem 12.8. Use = .10. Advertising ....
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Advertising .... Sales
12.5 ...... 148
3.7 ...... 55
21.6 ...... 338
60.0 ...... 994
37.6 ...... 541
6.1 ...... 89
16.8 ...... 126
41.2 ...... 379
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Related Book For
Business Statistics For Contemporary Decision Making
ISBN: 978-1118749647
8th edition
Authors: Black Ken
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