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QUESTION
When testing for the equality of means from two populations (e., MPGs of American cars and Japanese cars),X BAR 1 = 29.8, X BAR 2 = 27.3, S1 = 2.56,...
When testing for the equality of means from two populations (e.g., MPGs of American cars and Japanese cars),X BAR 1 = 29.8, X BAR 2 = 27.3, S1 = 2.56, S2= 1.81, n1 = 24, n2 = 28. Determine the degrees of freedom.
