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Merit Pay Scale: Weighted Average At General Hospital, nurses are given performance evaluations to determine eligibility for merit pay raises. The supervisor rates the nurses on a scale of 1 to 10 (10 being the highest rating) for several activities: promptness, record keeping, appearance, and bedside manner with patients. Then an average is determined by giving a weight of 2 for promptness, 3 for record keeping, 1 for appearance, and 4 for bedside manner with patients. What is the average rating for a nurse with ratings of 9 for promptness, 7 for record keeping, 6 for appearance, and 10 for bedside manner?

Short Answer

Expert verified
The average rating for the nurse is 8.5.

Step by step solution

01

Understand the Weight Assignments

First, identify the weight assigned to each activity: promptness has a weight of 2, record keeping has a weight of 3, appearance has a weight of 1, and bedside manner has a weight of 4. These weights will be used to calculate the weighted average.
02

Calculate the Weighted Scores

Multiply each rating by its corresponding weight: \(9 \times 2 = 18\) for promptness, \(7 \times 3 = 21\) for record keeping, \(6 \times 1 = 6\) for appearance, and \(10 \times 4 = 40\) for bedside manner.
03

Sum the Weighted Scores

Add all the weighted scores together to get the total weighted score: \[18 + 21 + 6 + 40 = 85\].
04

Add the Weights

Calculate the sum of the weights from each category: \[2 + 3 + 1 + 4 = 10\].
05

Compute the Weighted Average

Divide the total weighted score by the sum of the weights to find the weighted average:\[\frac{85}{10} = 8.5\].

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Merit Pay Scale
The Merit Pay Scale is a system used to determine compensation increases based on performance evaluations. In settings like the General Hospital in this exercise, nurses' performances in different activities are assessed and rated. Those ratings determine whether they qualify for a merit-based pay raise. This system is designed to motivate employees to perform better by directly linking their salary increase to their work quality and contributions. The merit pay scale is not only about numbers; it involves subjective evaluations that need to be carefully and fairly conducted to ensure accurate compensation decisions.
Performance Evaluation
Performance evaluation is a structured assessment of an employee's work performance. It typically involves a manager or supervisor monitoring and rating various aspects of the employee's job performance. In the context of the exercise, the evaluation process involves assessing a nurse’s abilities in areas like promptness, record keeping, appearance, and bedside manner. Each of these factors is rated on a scale of 1 to 10, allowing supervisors to quantify performance with precision. This process helps identify areas of strength and potential improvement, providing employees with feedback and helping the organization understand individual contributions and areas for development.
Weighting Systems
Weighting systems are used to give different levels of importance to various aspects of a task or project. When calculating a weighted average, certain tasks or qualities are prioritized over others by assigning them higher weights. This ensures that aspects that are deemed more critical have a greater impact on the final average. For instance, in the hospital's performance evaluation, bedside manner has a higher weight than appearance, indicating its higher importance in the evaluation process. This method allows for a more nuanced and meaningful assessment, reflecting the values and priorities of the institution or project at hand.
Nurse Ratings
Nurse ratings are scores given to nurses based on their performance against specific criteria in their workplace. In our exercise, these include promptness, record keeping, appearance, and bedside manner. Each rating is an integer between 1 and 10. These ratings provide a quantitative measure of a nurse’s performance and enable supervisors to make unbiased decisions regarding merit pay and promotions. When combined through a process like computing a weighted average, they offer an overall performance score, which simplifies the decision-making process regarding compensation and professional development for the nurses.
Educational Statistics
Educational statistics involve the use of statistical methods to analyze and understand educational processes. In this context, we are employing weighted averages to analyze performance evaluations in a nursing setting. Utilizing statistical methods allows organizations to draw clear and actionable insights from what might otherwise be purely subjective assessments. It transforms qualitative assessments into quantitative data, enabling more objective and comparative evaluations. Statistics in educational contexts are powerful tools, helping institutions to identify trends, make informed decisions, and improve overall educational and training quality for staff like nurses at General Hospital.

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Most popular questions from this chapter

What are the big corporations doing with their wealth? One way to answer this question is to examine profits as percentage of assets. A random sample of 50 Fortune 500 companies gave the following information (Source: Based on information from Fortune 500, Vol. 135, No. 8). $$\begin{array}{l|ccccc} \hline \begin{array}{l} \text { Profit as percentage } \\ \text { of assets } \end{array} & 8.6-12.5 & 12.6-16.5 & 16.6-20.5 & 20.6-24.5 & 24.6-28.5 \\ \hline \begin{array}{l} \text { Number of } \\ \text { companies } \end{array} & 15 & 20 & 5 & 7 & 3 \\ \hline \end{array}$$ Estimate the sample mean, sample variance, and sample standard deviation for profit as percentage of assets.

Consider the numbers 2 3 4 5 5 (a) Compute the mode, median, and mean. (b) If the numbers represent codes for the colors of T-shirts ordered from a catalog, which average(s) would make sense? (c) If the numbers represent one-way mileages for trails to different lakes, which average(s) would make sense? (d) Suppose the numbers represent survey responses from 1 to \(5,\) with \(1=\) disagree strongly, \(2=\) disagree, \(3=\) agree, \(4=\) agree strongly, and \(5=\) agree very strongly. Which averages make sense?

Grades: Weighted Average In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth \(25 \%\) of your total grade, each major test is worth \(22.5 \%\) and the final exam is worth \(30 \%\). Compute the weighted average for the following scores: 92 on the lab, 81 on the first major test, 93 on the second major test, and 85 on the final exam.

Consider the data set \(1 \quad 2 \quad 3 \quad 4 \quad 5\) (a) Find the range. (b) Use the defining formula to compute the sample standard deviation \(s .\) (c) Use the defining formula to compute the population standard deviation \(\sigma .\)

Expand Your Knowledge: Geometric Mean When data consist of percentages, ratios, compounded growth rates, or other rates of change, the geometric mean is a useful measure of central tendency. For \(n\) data values, Geometric mean \(=\sqrt[n]{\text { product of the } n \text { data values, }}\) assuming all data values are positive To find the average growth factor over 5 years of an investment in a mutual fund with growth rates of \(10 \%\) the first year, \(12 \%\) the second year, \(14.8 \%\) the third year, \(3.8 \%\) the fourth year, and \(6 \%\) the fifth year, take the geometric mean of \(1.10,1.12,1.148,1.038,\) and \(1.16 .\) Find the average growth factor of this investment.

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