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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,there is sufficient evidence to conclude that the proportions between procedure A and procedure B are different at a 0.05 level of significance.
Correlational Research
A type of non-experimental research method that examines the relationship between two variables without manipulating them.
Sleep Deprivation
The condition of not having enough sleep; it can be either chronic or acute.
Positive Correlation
A relationship between two variables where both variables move in the same direction, indicating that as one variable increases, the other one also increases.
Study Time
The period dedicated to learning, reading, or practicing to enhance knowledge and skills.
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