Compute the value of the chi- square statistic. In a hypothetical study, four hospitals were compared with

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Compute the value of the chi- square statistic.
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.
Compute the value of the chi- square statistic. 
In a
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