IEOR165 Homework 1 Solutions

IEOR165 Homework 1 Solutions - IEOR165Homework1Solutions...

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IEOR165 Homework 1 Solutions Prob.33 Scatter plot: 0 10 20 30 40 50 60 70 80 90 0 1 02 03 04 05 06 Jul'stemperature Jan's temperature Jul's temperature v.s. Jan's 0 Sample correlation coefficient: s ୶୷ ൌ෍ሺx െx തሻሺy െy തሻ ୧ୀ ൌ 415.66 s ൌ ඩ 1 nെ1 ෍ሺx തሻ ୧ୀଵ ൌ12 .80 s ൌ ඩ 1 ෍ሺy തሻ ୧ୀଵ ൌ9 .74 rൌ s ୶୷ ሺnെ1ሻs s ൌ 0.370405
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Stem-and-leaf plot: 4 0.0, 1.2, 1.8, 7.8, 8.9 3 7.7 2 9.1 1 5.8, 6. 1, 9.0 x plot: mpare the actual distribution with Chebyshey s rule and empirical rules: ortion of ݔ Bo 15.8 48.9 19.0 38.5 41.8 Co േݏ ݔേ2ݏ ݔ prop observations within േ3ݏ sample 0.5 1.0 1.0 Chebyshev's ൒0 ൒ 0.7 .1 75 .9 Empirical ൎ0 .68
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This note was uploaded on 02/10/2010 for the course IEOR 165 taught by Professor Shanthikumar during the Spring '08 term at Berkeley.

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IEOR165 Homework 1 Solutions - IEOR165Homework1Solutions...

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