A Restaurant Manager Wants to Determine the Percent of Time

question 171

Multiple Choice

A restaurant manager wants to determine the percent of time the servers are working and idle using work sampling. His calculation shows that he needs to take a sample of 100 based on a z value of 2. If he wants to use a z value of 3, how many more samples does he need to take?

• A) 225
• B) 125
• C) 150
• D) 50
• E) There is not enough information.

Comprehend the process and importance of accurate coding and Present on Admission (POA) assignment for health services.

Recognize the significance of major complications and co-morbidities (MCC) in health care coding and billing.

Acquaint with health care terminologies such as Length of Stay (LOS), Hospital-Acquired Conditions (HAC), and special software like DRG grouper.

Understand the use of HAC data in evaluating patient safety and payment adjustments.

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Definitions:

Least Squares Line

A line that minimizes the sum of the squares of the vertical deviations from each data point to the line, often used in linear regression.

Interval Variables

Variables where the intervals between the values are interpretable, allowing for meaningful comparison and arithmetic operations.

Interpretation

The process of explaining or understanding the meaning of data, actions, or events.

Coefficient Of Determination

A statistic that indicates the proportion of the variance in the dependent variable that is predictable from the independent variable(s).