A hospital conducted a study of the waiting time in its emergency

     10.55 Consider an experiment with four groups, with eight values   in each. For   the ANOVA summary table below, fill in all the   missing results:     

        10.59 A hospital conducted a study of the waiting time in its    emergency   room. The hospital has a main campus and three    satellite   locations. Management had a business objective of    reducing   waiting time for emergency room cases that did not    require   immediate attention. To study this, a random sample of   15 emergency   room cases that did not require immediate attention   at each   location were selected on a particular day, and    the waiting   times (measured from check-in to when the patient   was called   into the clinic area) were collected and stored    in ERWaiting   .                 At the 0.05   level of significance, is there evidence of a difference   in the mean   waiting times in the four locations?              If   appropriate, determine which locations differ in mean    waiting   time.                 At the 0.05   level of significance, is there evidence of a difference   in the   variation in waiting time among the four locations?                                                         

 
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