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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,the overall or mean proportion of clear operations is .
Ledger
A comprehensive collection of a company's accounts, in which transactions are recorded from the journal and summarized, showing current balances.
Net Income
The net income of a business once all costs and taxes are subtracted from its revenues.
Transactions
Economic events that require recording in the financial statements because they affect assets, liabilities, or equity.
Common Stock
A type of equity security representing ownership in a corporation, entitling holders to vote on corporate matters and receive dividends.
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