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100 points for $49 worth of Veritas practice GMATs FREE VERITAS PRACTICE GMAT EXAMS Earn 10 Points Per Post Earn 10 Points Per Thanks Earn 10 Points Per Upvote ## Violent Crime Rate ##### This topic has 1 expert reply and 0 member replies ## Violent Crime Rate The violent crime rate (number of violent crimes per 1,000 residents) in Meadowbrook is 60 percent higher now than it was four years ago. The corresponding inrease for Parkdale is only 10 percent. These figures support the conclusion that residents of Meadowbrook are more likely to become victims of violent crime than are residents of Parkdale. The argument above is flawed because it fails to take into account A) changes in the population density of both Parkdale and Meadowbrook over the past four years B) how the rate of population growth is Meadowbrook over the past four years compares to the corresponding rate for Parkdale C) the ratio of violent to nonviolent crimes committed during the past four years in Meadowbrook and Parkdale D) the violent crime rates in Meadowbrook and Parkdale four years ago E) how Meadowbrook's expenditures for crime prevention over the past four years compare to Parkdale's expenditures Will post answer soon, I need someone to guide me. Not sure why the answer is what it is. Thanks in advance. ### GMAT/MBA Expert GMAT Instructor Joined 25 May 2010 Posted: 15023 messages Followed by: 1859 members Upvotes: 13060 GMAT Score: 790 Quote: The violent crime rate (number of violent crimes per 1,000 residents) in Meadowbrook is 60 percent higher now than it was four years ago. The corresponding inrease for Parkdale is only 10 percent. These figures support the conclusion that residents of Meadowbrook are more likely to become victims of violent crime than are residents of Parkdale. The argument above is flawed because it fails to take into account A) changes in the population density of both Parkdale and Meadowbrook over the past four years B) how the rate of population growth is Meadowbrook over the past four years compares to the corresponding rate for Parkdale C) the ratio of violent to nonviolent crimes committed during the past four years in Meadowbrook and Parkdale D) the violent crime rates in Meadowbrook and Parkdale four years ago E) how Meadowbrook's expenditures for crime prevention over the past four years compare to Parkdale's expenditures Data: The violent crime rate in Meadowbrook is 60 percent higher now than it was four years ago. The corresponding increase for Parkdale is only 10 percent. Conclusion: Residents of Meadowbrook are more likely to become victims of violent crime than are residents of Parkdale. Consider the following cases: Case 1: Meadowbrook's violent crime rate 4 years ago = 1000, so its violent crime rate now = 1600. Parkdale's violent crime rate 4 years ago = 10, so its violent crime rate now = 11. Here, Meadowbrook's current rate is far HIGHER than Parkdale's, SUPPORTING the conclusion that residents of Meadowbrook are more likely to become victims of violent crime than are residents of Parkdale. Case 2: Meadowbrook's violent crime rate 4 years ago = 10, so its violent crime rate now = 16. Parkdale's violent crime rate 4 years ago = 1000, so its violent crime rate now = 1100. Here, Meadowbrook's current rate is far LOWER than Parkdale's, WEAKENING the conclusion that residents of Meadowbrook are more likely to become victims of violent crime than are residents of Parkdale. As the cases above illustrate, since we don't know the rates in Meadowbrook and Parkdale 4 years ago, we cannot determine which city has the higher rate now. Answer choice D describes this flaw in the reasoning: The argument above is flawed because it fails to take into account the violent crime rate in Meadowbrook and Parkdale four years ago. The correct answer is D. _________________ Mitch Hunt Private Tutor for the GMAT and GRE GMATGuruNY@gmail.com If you find one of my posts helpful, please take a moment to click on the "UPVOTE" icon. Available for tutoring in NYC and long-distance. For more information, please email me at GMATGuruNY@gmail.com. Student Review #1 Student Review #2 Student Review #3 Free GMAT Practice Test How can you improve your test score if you don't know your baseline score? Take a free online practice exam. Get started on achieving your dream score today! Sign up now. • Free Trial & Practice Exam BEAT THE GMAT EXCLUSIVE Available with Beat the GMAT members only code • FREE GMAT Exam Know how you'd score today for$0

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