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ANOVA for types of milk in Puerto Rico

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Six samples of four different types of milk in Puerto Rico were analyzed for protein content. The results were (mg / mL)

Three Monjitas ® 5.2 4.5 6.0 6.1 6.7 5.8
Suiza Dairy ® 6.5 8.0 6.1 7.5 5.9 5.6
Mayaguez Dairy ® 5.8 4.7 6.4 4.9 6.0 5.2
INDULAC ® 8.3 6.1 7.8 7.0 5.5 7.2

Using the method of ANOVA with a significance level of 0.05, test whether there is a difference between the average protein content of different brands of milk.

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Solution Summary

This solution includes the ANOVA output from Excel and the conclusion based on the ANOVA results.

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