For four populations,the population variances are assumed to be equal.Random samples from each population provide the following data.

Using a .05 level of significance,test to see if the means for all four populations are the same.

Question

For four populations,the population variances are assumed to be equal.Random samples from each population provide the following data.
  
Using a .05 level of significance,test to see if the means for all four populations are the same.

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The Answer of For four populations,the population variances are assumed to be equal.Random samples from each population provide the following data.
  
Using a .05 level of significance,test to see if the means for all four populations are the same.

For Four Populations,the Population Variances Are Assumed to Be Equal