**Performance Review Guidelines for University Supervisors**Most organizations use some form of year-end performance review for their employees. Human Resources (HR) at a university's Health Science Center provides guidelines for supervisors rating their subordinates. For example, raters are advised to examine their ratings for a tendency to be either too lenient or too harsh. According to HR:"If you have this tendency, consider using a normal distribution—10% of employees (rated) exemplary, 20% distinguished, 40% competent, 20% marginal, and 10% unacceptable."Suppose you are rating an employee's performance on a scale of 1 (lowest) to 100 (highest). Also, assume the ratings follow a normal distribution with a mean of 46 and a standard deviation of 13. Complete parts a and b.Click the icon to view the standard normal distribution table.**Questions:**a. What is the lowest rating you should give to an "exemplary" employee if you follow the university's HR guidelines?*(Round to three decimal places as needed.)*[ ] b. What is the lowest rating you should give to a "competent" employee if you follow the university's guidelines?*(Round to three decimal places as needed.)*[ ] This exercise involves understanding normal distribution and applying statistical principles to determine appropriate performance ratings. Using the provided mean and standard deviation, along with the mentioned percentiles (e.g., top 10% for exemplary), you can derive the specific ratings that correspond to these performance categories.

Answered: Almost all companies utilize some type…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Calculate and interpret relative measures of variability for the Daily Income for each of the three categories of Type of service.
Please apply table to question. Thanks!
Determine the relationship between job performance rating (y) and scores on four tests. The data are as follows: y x1 x2 x3 x4 11.2 56.5 71.0 38.5 43.0 14.5 59.5 72.5 38.2 44.8 17.2 69.2 76.0 42.5 49.0 17.8 74.5 79.5 43.4 56.3 19.3 81.2 84.0 47.5 60.2 24.5 88.0 86.2 47.4 62.0 80.5 44.5 58.1 21.2 78.2 16.9 69.0 72.0 41.8 48.1 14.8 58.1 68.0 42.1 46.0 20.0 80.5 85.0 48.1 60.3 13.2 58.3 71.0 37.5 47.1 22.5 84.0 87.2 51.0 65.2 Estimate b0 in the multiple regression model. Use 2 decimal places. y = b0 + b1 x1 + b2 x2 + b3 x3 + b4 x4.
Please apply table to question. Thanks!
A real estate agency, located in a metropolitan area in the northeastern U.S., kept data on the various types of properties purchased in the area. Historically, 15% of purchases were for condominiums, 30% were for townhouses, 40% for single family homes, 10% for commercial properties and 5% for land. With changing demographics, the agency wondered if the current distribution matches the historical distribution. Recent data showed the following: Type of Property Condos Townhouses Homes Commercial Land Frequency 89 121 78 25 12 Based on the historical distribution, we would expect how many homes to be purchased? Question content area bottom Part 1 A. 130 B. 121 C. 129.95 D. 122.54 E. 100
(a) TV stations use ratings to decide which shows to keep or cancel. Therefore, the A. C. Nielsen Company collects data on the TV viewing habits of Americans and publishes the information in Nielsen Report on Television. Suppose that you want to use a paired sample to decide whether the mean viewing times of married men and married women differ: 1. Identify the variable. 2. Identify the two populations. 3. Identify the pairs. 4. Identify the paired-difference variable.
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Consider the following data representing the price of plasma televisions (in dollars). 1260, 1355, 1156, 1297, 1054, 1225, 1375, 1244, 1281, 1138, 1368, 1075, 1373, 1126, 1067, 1285, 1119, 1209, 1150, 1208, 1284 Class 1034-1093 1094-1153 1154-1213 1214-1273 1274-1333 1334-1393 Frequency Price of Plasma Televisions (in Dollars) Class Boundaries Midpoint Relative Frequency Copy Data Cumulative Frequency Step 6 of 7: Calculate the relative frequency of the third class. Determine your answer as a simplified fraction.
Determine the relationship between job performance rating (y) and scores on four tests. The data are as follows: y x1 x2 x3 x4 11.2 56.5 71.0 38.5 43.0 14.5 59.5 72.5 38.2 44.8 17.2 69.2 76.0 42.5 49.0 17.8 74.5 79.5 43.4 56.3 19.3 81.2 84.0 47.5 60.2 24.5 88.0 86.2 47.4 62.0 80.5 44.5 58.1 16.9 69.0 72.0 41.8 48.1 14.8 58.1 68.0 42.1 46.0 20.0 80.5 85.0 48.1 60.3 13.2 58.3 71.0 37.5 47.1 22.5 84.0 87.2 51.0 65.2 21.2 78.2 Estimate b4 in the multiple regression model. Use 2 decimal places. y = b0 + b1 x1 + b2 x2 + b3 x3 + b4 x4. 4
The U.S. National Center for Health Statistics complies birth statistics and publishes the results in vital statistics of the United States. The Center has historically believed that the mean of all newborns in the U.S. has been no less than 6.95 pounds. A sample of babies is selected so that the center can revise its belief. The following birth weights, in pounds are recorded: 7.4, 6.0, 8.6, 4.5, 2.0, 7.9, 4.0, 2.6, 5.9, 7.3, 7.3, 7.0, 6.3, 8.1, 7.1, 7.3, 6.6, 5.2, 9.8, 8.0, 10.9, 6.5, 3.8, 5.0, 8.0 a). At 5% level of significance, do these data provide sufficient evidence to refute the Center’s belief? Your conclusion must be in terms of the P-Value as well as setting up a Rejection Region. You must show all necessary work. b). Which statistical distribution should be applied in this situation and why? Explain carefully.
Performance anxiety is a disorder that impacts over 60 per cent of the world’s population. The impact of different types of performative activity on anxiety levels is not clear. 120 individuals were included in a focus group and where subject to performances in speech, dance and singing in front of a live audience. Their heart rates were measured for each performance and the average rate recorded: Speaking Singing Dancing 148 86 116 146 149 105 144 75 133 139 114 82 96 131 141 72 114 121 121 140 136 77 135 101 109 106 91 100 112 93 87 140 76 71 110 77 107 73 112 82 145 92 117 114 105 80 89 71 80 150 122 117 139 134 73 98 120 104 144 116 93 84 118 123 118 113 95 114 136 73 78 89 137 146 109 74 133 101 75 144 139 98 125 91 141 101 124 81 113 120 124 126 95 108 127 108 101 138 125 139 81 136 116 123 126 139 132 80 72 107 76 137 119 109 143 140 120 128 137 138 150 82 98 106 86 133 140 87 72 148 101…

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