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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: 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 D are different at a 0.05 level of significance.
Scientifically Oriented Psychologists
Psychologists who apply scientific methods to understand, explain, and predict human behavior and mental processes.
Common Vocabulary
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The process of making the diagnosis procedure more efficient and less time-consuming, ensuring quicker patient care.
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