Answered: As part of an evaluation program, a…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.6: Rational Functions

Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.

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Transcribed Image Text:As part of an evaluation program, a sport goods retailer wanted to compare the downhill coasting speeds of 4 brands of bicycles. She took 3 of each brand and determined their maximum downhill speeds. The results are presented in miles per hour in Table 2 below. Table 2 Trial Connondale Kona Bike Bianch Orbea 43 37 41 43 46 38 45 45 3 43 39 42 46 The data collected was analyzed and Output 2 is shown below. Output 2 Source of Variation Bicydle Brands df MS F p-value 81.33 27.11 10.17 0.004 Error 21.33 2.67 Total 11 102.67 At the 0.01 level of significance, is there sufficient evidence to conclude that the mean of downhill coasting speeds is not the same for the four different brands of bicycles? (Use critical value method and P-value method)

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