Given below are the analysis of variance results from aMinitab display. Assume t

Question

Given below are the analysis of variance results from aMinitab display. Assume that you want to use a 0.05 significancelevel in testing the null hypothesis that the different samplescome from populations with the same mean.
Identify the value of the test statistic

Source DF SS MS F P Factor 3 13.500 4.500 5.17 0.011 Error 16 13.925 0.870 Total 19 27.425 Given below are the analysis of variance results from aMinitab display. Assume that you want to use a 0.05 significancelevel in testing the null hypothesis that the different samplescome from populations with the same mean.
Identify the value of the test statistic

Source DF SS MS F P Factor 3 13.500 4.500 5.17 0.011 Error 16 13.925 0.870 Total 19 27.425

Explanation / Answer

By the way, this is a 1-way ANOVA. Null: All the averages are the same. Alternative: At least 1 average is different. The test statistic isF = 5.17. This corresponds to a p-value = 0.011. Since p-value is than 0.05, reject the null. Hope this helps, Mike

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