TABLE 12-5 Four Surgical Procedures Currently Are Used to Install Pacemakers.If the Pacemakers.If

question 56

True/False

TABLE 12-5
Four surgical procedures currently are used to install pacemakers.If the patient does not need to return for follow-up surgery,the operation is called a "clear" operation.A heart center wants to compare the proportion of clear operations for the 4 procedures,and collects the following numbers of patients from their own records: They will use this information to test for a difference among the proportion of clear operations using a chi-square test with a level of significance of 0.05.
-True or False: Referring to Table 12-5,the decision made suggests that the 4 procedures do not all have the same proportion of clear operations.

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