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

question 69

True/False

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.

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Definitions:

Prefix

A letter or group of letters added to the beginning of a word to alter its meaning or create a new word.

Epi-

A prefix meaning 'upon', 'on', 'over', 'near', or 'at', often used in medical and scientific terminology to denote position or relationship.

Onc/o

A prefix in medical terminology denoting relation to tumors or cancer.

Combining Form

A form used in the construction of medical and scientific terminology, typically a root with a vowel at the end that allows it to be connected to other terms.