Hw_2_S10[1] - AEM 2100 Spring 2010 Name _ Section _...

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Name _______________ Spring 2010 Section ______________ HOMEWORK #2 1.) A study published in April 2000 in the British Medical Journal reported on a Scotland survey regarding the numbers of surveyed high school students carrying weapons and engaging in illegal drug use. Weapon No Weapon Total Drugs 389 496 885 No Drugs 248 1978 2226 Total 637 2474 3111 a.) To demonstrate that drug users were more likely than non-users to carry weapons, what table of percentages would you compute (i.e. row percentages, column percentages, or overall percentages)? Present the appropriate table and report the two specific percentages that could be used. b.) To demonstrate that students who carried weapons were more likely to use illegal drugs than those who didn’t carry weapons, what table of percentages would you compute (i.e. row percentages, column percentages, or overall percentages)? Present the appropriate table and report the two specific percentages that could be used. c.) The table shows that those who carried weapons were how many times as likely to use illegal drugs as those who didn’t carry weapons? 2.) A study conducted in 2002 by Babson College and the Association of Women’s Centers surveyed women’s business centers in the United States. The data showing the location of established centers (at least 5 years old) and less established centers are summarized in the following table. Location Urban Nonurban Less Established 74% 26% Established 80% 20% a.) Are these percentages column percentages, row percentages, or overall percentages? b.)
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This note was uploaded on 08/25/2010 for the course AEM 2100 taught by Professor Vanes,c. during the Spring '08 term at Cornell University (Engineering School).

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Hw_2_S10[1] - AEM 2100 Spring 2010 Name _ Section _...

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