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

question 121

Short Answer

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,what is the value of the critical range for the Marascuilo procedure to test for the difference in proportions between procedure A and procedure C using a 0.05 level of significance?

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Definitions:

Tarsals

A group of seven bones in the foot that form the ankle and the back part of the foot’s arch.

Phalanges

The bones that make up the fingers of the hand and the toes of the foot, with each finger and toe having three phalanges, except for the thumb and big toe, which have two.

Femur

The thigh bone, which is the longest, largest, and strongest bone in the human body.

Obturator Foramen

A large opening in the hip bone through which nerves and blood vessels pass.