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The Following Table Entries Are the Times in Seconds for Three

Question 30

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The following table entries are the times in seconds for three different drivers racing on four different tracks. Assuming no effect from the interaction between driver and track, test the claim that the three drivers have the same mean time. Use a 0.05 significance level.  Track 1  Track 2  Track 3  Track 4  Driver 1 72706871 Driver 2 74716672 Driver 3 76696470\begin{array}{c|cccc} & \text { Track 1 } & \text { Track 2 } & \text { Track 3 } & \text { Track 4 } \\\hline \text { Driver 1 } & 72 & 70 & 68 & 71 \\\text { Driver 2 } & 74 & 71 & 66 & 72 \\\text { Driver 3 } & 76 & 69 & 64 & 70\end{array}
 Source  DF  SS  MS  F  p  Driver 2210.330.729 Track 398.2532.7510.920.00763 Error 6183 Total 11118.25\begin{array} { l r c l r c } \text { Source } & \text { DF } & \text { SS } & \text { MS } & \text { F } & \text { p } \\\text { Driver } & 2 & 2 & 1 & 0.33 & 0.729 \\\text { Track } & 3 & 98.25 & 32.75 & 10.92 & 0.00763 \\\text { Error } & 6 & 18 & 3 & & \\\text { Total } & 11 & 118.25 & & &\end{array}

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blured image : There is no driver effect. blured image : There i...

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