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 4 procedures, and collects the following numbers of patients from their own records:
Which of the following tests will be the most appropriate to find out which of the 4 procedures is
The most effective?
A) test for difference in proportions.
B) Z test for difference in proportions.
C) One-way ANOVA F test for differences among more than two means
D) The Marascuilo procedure.

Question

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 4 procedures, and collects the following numbers of patients from their own records: 
Which of the following tests will be the most appropriate to find out which of the 4 procedures is
The most effective?
A) test for difference in proportions. 
B) Z test for difference in proportions. 
C) One-way ANOVA F test for differences among more than two means 
D) The Marascuilo procedure.

Quizplus · Accepted Answer

The Answer of 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 4 procedures, and collects the following numbers of patients from their own records: 
Which of the following tests will be the most appropriate to find out which of the 4 procedures is
The most effective?
A) test for difference in proportions. 
B) Z test for difference in proportions. 
C) One-way ANOVA F test for differences among more than two means 
D) The Marascuilo procedure.

Four Surgical Procedures Currently Are Used to Install Pacemakers