# Class_3_Homework-1.doc - P11.1011 Statistical Methods for...

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P11.1011 Statistical Methods for Public, Nonprofit, and Health Management Student’s name: Yingxuan Mo Mailbox number: 0537 Homework – Class 3 1. Assume that the distribution of a college entrance exam is normal with a mean of 500 and a standard deviation of 100. For each score below, find the equivalent Z score, the percentage of the area above the score, and the percentage of the area below the score. X i Z score % Area Above % Area Below 650 -1.5 93.32% 6.68% 400 -1 84.13% 15.87% 375 -1.25 89.44% 10.56% 586 0.86 30.51% 69.49% 437 -0.63 73.57% 26.43% 526 0.26 39.74% 60.26% 621 1.21 11.31% 88.69% 498 -0.02 50.8% 49.2% 517 0.17 43.25% 56.75% 398 -1.02 84.61% 15.39% 2. After taking the state merit examinations for the positions of social worker and employment counselor, you receive the following information on the tests and on your performance. On which of the tests did you do better?
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