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A dairy farmer is looking at methods for transporting milk from her farm to a dairy plant. Three different methods are trialed over fourteen working
A dairy farmer is looking at methods for transporting milk from her farm to a dairy plant. Three different methods are trialed over fourteen working days, and the daily costs of the methods (in $ 100) were as follows: Method 1 7.42 6.76 5.25 5.11 Method 2 7.46 6.45 7.46 5.82 7.13 Method 3 10.30 9.97 7.92 9.76 9.39 Box plots displaying the data are shown below: Daily Cost of Milk Transportation by Three Delivery Metho 9 0 Cost in 100s of Dollars 1 2 3 Delivery MethodPart c) Complete the ANOVA table below, giving answers to three decimal places (please keep at least 6 decimal places in all intermediate steps and use the non-rounded values for all calculations): .__s.m..s...... a -- mI--- I___ Part 1:!) Taking that the underlying assumptions of ANOVA hold and that the approach will be applied, what is the estimate of the common variance of the daily costs for the three delivery methods? (Give your answer to three decimal places.) Part e) Which of the following inferences can be made when testing the null hypothesis that the three delivery methods have the same mean daily cost? 0 A. Since the observed F statistic is greater than Fa=0.05,2,11 we do not reject the null hypothesis that the three delivery methods have the same mean daily cost. 0 B. Since the observed F statistic is less than Fa=0_05,2.11 we do not reject the null hypothesis that the three delivery methods have the same mean daily cost. 0 G. Since the observed F statistic is less than Fa=0.05,2,11 we can reject the null hypothesis that the three delivery methods have the same mean daily cost. 0 D. Since the observed F statistic is greater than Fa=0_05,2.11 we can reject the null hypothesis that the three delivery methods have the same mean daily cost
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