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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 D are different at a 0.05 level of significance.
Acute Hearing
Acute hearing refers to an exceptionally sharp ability to detect sounds, often significantly above the average human hearing range.
Adult's Hearing
The ability of individuals in adulthood to perceive sounds, which may decline with aging.
Infertility
The inability of a person to conceive a child naturally after one year of regular, unprotected sexual intercourse.
Conceive
Conceive means to form or devise a plan or idea in the mind.
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