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Hospitals in Tulsa, Oklahoma

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There are three hospitals in the Tulsa, Oklahoma, area. The following data show the number of outpatient surgeries performed at each hospital last week. At the .05 significance level, can we conclude there is a difference in the mean number of surgeries performed by hospital or by day of the week?

Number of Surgeries Performed
Day St. Luke's St. Vincent Mercy
Monday 14 18 24
Tuesday 20 24 14
Wednesday 16 22 14
Thursday 18 20 22
Friday 20 28 24

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Solution Summary

The hypothesis that there is a difference in the mean number of surgeries performed by hospital or by day of the week is tested using ANOVA.

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