Answer Happy

4. [-/10 Points] DETAILS PODSTAT6 15.1.013.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHE In an experiment to investigate the performance of four different brands of spark plugs intended for use on a 125 cc motorcycle, five plugs of each brand were tested, and the number of miles (at a constant speed) until failure was observed. A partially completed ANOVA table is given. Fill in the missing entries, and test the relevant hypotheses using a 0.05 level of significance. (Round your answers to two decimal places.) Source of Variation df Sum of Squares Mean Square F Treatments Error 234,495.04 Total 310,414.88 Calculate the test statistic. (Round your answer to two decimal places.) F= Use technology or SALT to find the P-value. (Round your answer to four decimal places.) P-value = What can you conclude? O Fail to reject Ho. There is convincing evidence that the average number of miles until failure is not the same for all four brands of spark plugs. O Reject Ho. There is convincing evidence that the average number of miles until failure is not the same for all four brands of spark plugs. O Reject Ho. There is not convincing evidence that the average number of miles until failure is not the same for all four brands of spark plugs. O Fail to reject Ho. There is not convincing evidence that the average number of miles until failure is not the same for all four brands of spark plugs.