SCENARIO 12-5 Four Surgical Procedures Currently Are Used to Install Pacemakers.If the Pacemakers.If
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,the decision made suggests that the 4 procedures do not all have the same proportion of clear operations.
Correct Answer:
Verified
Q20: The squared difference between the observed and
Q21: SCENARIO 12-5
Four surgical procedures currently are used
Q22: SCENARIO 12-5
Four surgical procedures currently are used
Q23: SCENARIO 12-3
The director of transportation of a
Q24: SCENARIO 12-4
A computer used by a 24-hour
Q26: SCENARIO 12-4
A computer used by a 24-hour
Q27: SCENARIO 12-5
Four surgical procedures currently are used
Q28: SCENARIO 12-4
A computer used by a 24-hour
Q29: SCENARIO 12-3
The director of transportation of a
Q30: SCENARIO 12-5
Four surgical procedures currently are used
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