TABLE 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 Table 12-5, the value of the test statistic is ________.
Definitions:
Bulldozer
A heavy and powerful tracked vehicle equipped with a substantial metal plate used to push large quantities of soil, sand, rubble, or other such material during construction or conversion work.
Inexperienced
Lacking experience or knowledge in a particular area or activity.
Voidable Rights
Rights that may be legally nullified or voided under certain conditions, typically at the discretion of one of the parties involved.
Undue Influence
An improper use of power or trust in a way that deprives a person of free will and substitutes another's objective.
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