# module 4.pdf

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School
Ryerson University
Department
Quantitative Methods
Course
QMS 102
Professor
Changping Wang
Semester
Winter

Description
8/4/2014 https://ccs.cf.ryerson.ca/qms102homework/module4_questions.cfm?CFID=42999852&CFTOKEN=10141433&jsessionid=3830675d7ecf4872b2dcc2a3267d… QMS102/QMS204 Winter 2014 Module 4 Questions for Nabil Score:92% Hints 1. The number ofdefective items in 13 recent sample ofproduction lots of1000 items each fromplant A were as follows: 3 1 0 0 2 7 4 1 1 0 2 8 20 a) Calculate the mean number ofdefective per lot. 3.8 defectives per lot. format{~.d} Soln: 3.8 Eval: 1/1 b) What is the median number ofdefective items per lot? 2 defectives per lot. format{~.d or exact} Soln: 2 Eval: 1/1 c) The mean number ofdefectives per lot for 15 lots fromplant C was 8. What was the totalnumber ofdefectives in these 15 lots? Unknown or 120 defectives. Soln: 120 Eval: 1/1 d) The median number ofdefectives per lot for 9 lots fromplant B was 4. What was the totalnumber ofdefectives in these 9 lots? Unknown or defectives. format{~.d} Soln: Unknown Eval: 1/1 2. The table below appeared in the May 2006 issue ofthe Report on Business. Can Brooks Catch Up Can Brooks Catch Up Coutu's current stores out performits newly acquired Brooks outlets Coutu stores averaged sales of\$5.1 million in 05 Number ofstore .......................................... 225 Selling space per store ................................ 7,300 sq.ft. ... and the U.S. Maxioutlets averaged slightly over \$4 million Number ofstores ............................................ 21 Selling space per store ....................................12,000 sq.ft. 2005 sales ......................................................\$85 million ... while Brooks lagged far behind at just under \$2 million Number ofstores .............................................. 221 Selling space per store ..................................... 6,000 sq.ft. 2005 sales .......................................................\$425.8 million https://ccs.cf.ryerson.ca/qms102homework/module4_questions.cfm?CFID=42999852&CFTOKEN=10141433&jsessionid=3830675d7ecf4872b2dcc21/367d6f316… 8/4/2014https://ccs.cf.ryerson.ca/qms102homework/module4_questions.cfm?CFID=42999852&CFTOKEN=10141433&jsessionid=3830675d7ecf4872b2dcc2a3267d… a) What is the overallaverage selling space per store for
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