Four Surgical Procedures Currently Are Used to Install Pacemakers

question 15

Multiple Choice

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 whether the 4 procedures are equally effective?

• A) χ² 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) McNemar test

---

Definitions:

Tax Court

A specialized court of law that deals with disputes and issues related to federal tax.

Minimum Contacts

A legal standard determining whether it is appropriate for a court to exercise jurisdiction over an out-of-state defendant based on the defendant's connections with the forum state.

Personal Jurisdiction

The legal authority a court has over the persons involved in a lawsuit, based on their connection to the location where the court is situated.

Tortious Conduct

Behavior that constitutes a tort, which is an act or omission causing harm or injury to another person, leading to civil legal liability.