Almost all companies ulize some type of year end performance review for their em

Question

Almost all companies ulize some type 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 ether too lenient or too of e According tO HIR, "if you have this tendency,consider using a 40% t, 20% marginal, and 10% unacceptable . Suppose you are rating an employee's performance on a sae of 1 (lowest) to 100 (highest) Asa assume the tatings tolow a noemai distmbution with a mean of 50 and a standard deviation of 14 Complete parts a and b Cick here to view a table of areas under the standardized normal curve (Round to two decimal places as needed ) b. What is the lowest rating you should give to a"competent employee if you tollow the university's guidelines? (Roun d to two decimal places as needed )

Explanation / Answer

a).

z value for top 10% =1.282

x= mean+z*sd = 50+1.282*14 = 67.95

Lowest rating for exemplary = 67.95

b).

competent is middle 40%

z values middle 40% (-0.524, 0.524)

x= mean+z*sd = 50 - 0.524*14 = 42.66

Lowest rating for competent = 42.66

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