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Problem 3. A pharmaceutical company is comparing the efficacy of different treatment regimes. The table below shows the results from a one-way ANOVA analysis. Answer

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Problem 3. A pharmaceutical company is comparing the efficacy of different treatment regimes. The table below shows the results from a one-way ANOVA analysis. Answer the following questions. Source of Variation Sum of Squares df Treatment 6.892 Error 12.506 18 Total 19.398 20 a. How many groups (treatments) are in the study? b. What is the total sample size? c. Setup the appropriate null and alternative hypotheses. d. Compute the value of the F statistic. e. Find the F critical value at the 0.05 significance level and state your conclusion

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