Three major automobile manufacturers have entered their cars in the Indianapolis 500 race.The speeds (in miles per hour) of the tested cars are given below.Please note the sample sizes are not equal.
At α = .05, test to see if there is a significant difference in the average racing speeds of the cars of the three auto manufacturers.Use both the critical and p-value approaches.

Question

Three major automobile manufacturers have entered their cars in the Indianapolis 500 race.The speeds (in miles per hour) of the tested cars are given below.Please note the sample sizes are not equal.  ​
At α = .05, test to see if there is a significant difference in the average racing speeds of the cars of the three auto manufacturers.Use both the critical and p-value approaches.

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The Answer of Three major automobile manufacturers have entered their cars in the Indianapolis 500 race.The speeds (in miles per hour) of the tested cars are given below.Please note the sample sizes are not equal.  ​
At α = .05, test to see if there is a significant difference in the average racing speeds of the cars of the three auto manufacturers.Use both the critical and p-value approaches.

Three Major Automobile Manufacturers Have Entered Their Cars in the Indianapolis