For Exercises 9 through $13,$ do a complete one-way ANOVA. If the null hypothesis is rejected, use either the Scheffé or Tukey test to see if there is a significant difference in the pairs of means. Assume all assumptions are met.
Emergency Room Visits Fractures accounted for $2.4 \%$ of all U.S. emergency room visits for a total of $389,000$ visits for a recent year. A random sample of weekly ER visits is recorded for three hospitals in a large metropolitan area during the summer months. At $\alpha=0.05,$ is there sufficient evidence to conclude a difference in means?
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Analysis of Variance
The Scheffe Test and the Tukey Test