11-data - A hospital conducted a study of the waiting time in its emergency rooms The hospital has a main campus and three satellite locations A random

11-data - A hospital conducted a study of the waiting time...

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A hospital conducted a study of the waiting time in its emergency rooms. The hospital has a main campus and three satellite locations. A random sample of emergency room waiting times at each location were randomly selected. At the .05 level of significance a. Is there evidence of a difference in the mean waiting times at the four locations? b. If appropriate, determine which locations differ in mean waiting times. c. Is there evidence of a difference in the variation in waiting times among thefour locations?

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