TABLE 12-9
Four Surgical Procedures Currently Are Used

question 195

Short Answer

TABLE 12-9
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:
$$\begin{array}{l}\text {\quad\quad\quad\quad\quad\quad\quad Procedure }\\\begin{array} { l | r r r r | r } & \text { A } & \text { B } & \text { C } & \text { D } & \text { Total } \\\hline \text { Clear } & 27 & 41 & 21 & 7 & 96 \\\text { Return } & 11 & 15 & 9 & 11 & 46 \\\hline \text { Total } & 38 & 56 & 30 & 18 & 142\end{array}\end{array}$$ 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 12-19, what is the value of the test statistic for the Friedman rank test for the difference in the medians?

Identify different résumé styles and their appropriate uses based on individual career paths and experiences.

Know how to prepare for national certification exams and the importance of certifications in advancing a healthcare career.

Employ strategies to maximize learning and contributions during applied training experiences.

Understand the role of effective feedback in improving performance within the healthcare setting.

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Definitions:

Inventory Turnover

A ratio showing how many times a company's inventory is sold and replaced over a period, indicating the efficiency of inventory management.

Inventory Turnover

Inventory Turnover is a measure of how many times a company's inventory is sold and replaced over a period.

Acid-Test Ratio

A stringent test that measures a company's ability to pay off its short-term liabilities with quick assets, excluding inventory.

Accounts Receivable Turnover

A financial ratio that measures how efficiently a company collects revenue from its credit sales by comparing net credit sales with the average accounts receivable.