Can you conclude that the quality varies among shifts? Use the. = 0.01 level of significance.
In a hypothetical study, four hospitals were compared with regard to the outcome of a particular type of surgery. For each patient at each hospital, the outcome was classified as Substantial improvement, Some improvement, or No improvement. The results are presented in the following contingency table.

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Outcome Substantial Some No Hospital Improvement Improvement mprovement 114 132 100 126 64 52 64 56 16 36 18