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Exercises 5: A corporation owns a chain of several hundred gasoline stations on the eastern seaboard. The marketing director wants to test a proposed marketing campaign by running ads on some local television stations and determil Ining whether gasoline sales at a sample of the company's stations increase after the advertising. The following data represent gasoline sales for a day before and a day after the advertising campaign. Determine whether sales increased significantly after the advertising campaign. Use an alpha of 0.05. Station Before After 1 $10,500 $12,600 8870 12300 10660 3 11890 10510 14630 5 5570 8580 9150 10115 11980 14350 8. 6740 6900 7340 8890 10 13400 16540 11 12200 11300 12 10570 13330 13 9880 9990 14 12100 14050 15 9000 9500 16 11800 12450 17 10500 13450

Exercises 5: A corporation owns a chain of several hundred gasoline stations on the eastern seaboard. The marketing director wants to test a proposed marketing campaign by running ads on some local television stations and determil Ining whether gasoline sales at a sample of the company's stations increase after the advertising. The following data represent gasoline sales for a day before and a day after the advertising campaign. Determine whether sales increased significantly after the advertising campaign. Use an alpha of 0.05. Station Before After 1 $10,500 $12,600 8870 12300 10660 3 11890 10510 14630 5 5570 8580 9150 10115 11980 14350 8. 6740 6900 7340 8890 10 13400 16540 11 12200 11300 12 10570 13330 13 9880 9990 14 12100 14050 15 9000 9500 16 11800 12450 17 10500 13450

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 6CT
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Exercises 5: A corporation owns a chain of several hundred gasoline stations on the eastern seaboard. The marketing director wants to test a proposed marketing campaign by running ads on some local television stations and determil Ining whether gasoline sales at a sample of the company's stations increase after the advertising. The fllowing data represent gasoline sales for a day before and a day after the advertising campaign. Determine whether sales increased significantly after the advertising campaign. Use an alpha of 0.05. Station Before After $10,500 $12,600 2 8870 10660 3 12300 11890 4 10510 14630 5570 8580 9150 10115 7 11980 14350 8 6740 6900 7340 8890 10 13400 16540 11 12200 11300 12 10570 13330 13 9880 9990 14 12100 14050 15 9000 9500 16 11800 12450 17 10500 13450
Transcribed Image Text:Exercises 5: A corporation owns a chain of several hundred gasoline stations on the eastern seaboard. The marketing director wants to test a proposed marketing campaign by running ads on some local television stations and determil Ining whether gasoline sales at a sample of the company's stations increase after the advertising. The fllowing data represent gasoline sales for a day before and a day after the advertising campaign. Determine whether sales increased significantly after the advertising campaign. Use an alpha of 0.05. Station Before After $10,500 $12,600 2 8870 10660 3 12300 11890 4 10510 14630 5570 8580 9150 10115 7 11980 14350 8 6740 6900 7340 8890 10 13400 16540 11 12200 11300 12 10570 13330 13 9880 9990 14 12100 14050 15 9000 9500 16 11800 12450 17 10500 13450
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