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Question about Two Statistics Problems

Table 9-37 gives the number of miles to a gallon obtained by similar auto mobiles using 5 different brands of gasoline. Test at the (a) 0.05 (b) 0.01 level of significance whether there is any significant difference in brands.
(See attachment for table and other question)


Solution Summary

The solution computes the level of significance of whether there is a different brand.