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In an experiment to determine the effect of catalyst on the yield of a certain reaction, the
- a. If MSE = 3.85, compute the value of the F statistic for testing the null hypothesis that all four catalysts have the same mean yield. Can this null hypothesis be rejected at the 5% level?
- b. Use the Tukey–Kramer method to determine which pairs of catalysts, if any, may be concluded to differ at the 5% level.
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