In an experiment to compare the tensile strengths of I = 5 different types of copper wire, J = 4 samples of each type were used. The between-samples and within samples estimates of (2 were computed as MSTr = 2673.3 and MSE = 1094.2, respectively. Use the F test at level .05 = to test H0: µ1 = µ2 = µ3 = µ4 = µ5 = versus Ha: at least two µi's are unequal?