# HW1sol - IE300 HW1 SOLUTION 6-15. Sample average of...

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IE300 HW1 SOLUTION 6-15. Sample average of exercise group: Sample variance of exercise group: 1 12 12 ) 68 . 3454 ( 54 . 1118521 1 s 1118521.54 68 . 3454 2 2 1 1 2 2 1 2 1 - - = - - = = = = = = = n n x x x x n i i n i i n i i n i i 11268.52 11 123953.71 = = Sample standard deviation of exercise group: 15 . 106 52 . 11268 = = s Dot Diagram of exercise group: Sample average of no exercise group: 325.010 8 2600.08 1 = = = = n x x n i i 6 h o u r s o f E x e r c is e 4 5 0 4 0 0 3 5 0 3 0 0 2 5 0 2 0 0 1 5 0 D o t p l o t o f 6 h o u r s o f E x e r c i s e 1 3454.68 287.89 12 n i i x x n = = = =

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1 8 8 ) 08 . 2600 ( 947873.4 1 s 947873.4 08 . 2600 2 2 1 1 2 2 1 2 1 - - = - - = = = = = = = n n x x x x n i i n i i n i i n i i 14688.77 7 102821.4 = = Sample standard deviation of no exercise group: 20 . 121 77 . 14688 = = s Dot Diagram of no exercise group: 6-22.
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## This note was uploaded on 01/26/2012 for the course IE IE 300 taught by Professor Zafarani during the Spring '09 term at University of Illinois, Urbana Champaign.

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HW1sol - IE300 HW1 SOLUTION 6-15. Sample average of...

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