SCENARIO 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:
Procedure

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.
-Referring to Scenario 12-5,there is sufficient evidence to conclude that the proportions between procedure A and procedure C are different at a 0.05 level of significance.

Question

SCENARIO 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:
Procedure
  
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.
-Referring to Scenario 12-5,there is sufficient evidence to conclude that the proportions between procedure A and procedure C are different at a 0.05 level of significance.

Quizplus · Accepted Answer

The data provided for the number of patients in each procedure is missing. Without this information, it is not possible to conduct a chi-square test or reach a conclusion about the difference in proportions between procedure A and procedure C.

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