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,there is sufficient evidence to conclude that the proportions between procedure A and procedure D are different at a 0.05 level of significance.

Question

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,there is sufficient evidence to conclude that the proportions between procedure A and procedure D are different at a 0.05 level of significance.

Quizplus · Accepted Answer

Without the actual data from Table 12-5, we cannot determine if there is sufficient evidence to conclude that the proportions between procedure A and procedure D are different at a 0.05 level of significance.

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