Practice Final Exam.doc

15 Pages

Operations Management and Information System
Course Code
OMIS 2010

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SCHULICH SCHOOL OF BUSINESSYORK UNIVERSITYSESSIONPractice Final ExamNAMECOURSE NOMGMT1050ID COURSE TITLE Statistics for ManagementSECTION PROFESSORS NUMBER OF PAGES 13 pages NOT including cover LENGTH OF EXAMINATION 150 minutesEXAMINATION AIDS ALLOWEDCalculator Formula and Tables Book INSTRUCTIONS1Please place your ID card on your desk2You are not allowed to leave the examination room until one hour after the start of the exam and you must sign the signin sheet before leaving3Your examination paper must be handed in before you leaveWhen you are finished please leave the exam room quietly4Cheating on an examination will result in an F grade in the course concerned and possible suspension from the University5All notes briefcases and books must be deposited at the front of the room6You are not allowed to use your own paper for rough workYou may only use the space provided or the back of the pages for rough work7Answer the Multiple Choice and TrueFalse Questions on the Scantron Sheet suppliedBe sure to put your name and student number on the bubble sheetIn Parts I and IV place your answers in the answer boxes where supplied8Count the pages to be certain that there are no pages missing9Do not remove the staple or any pages from the exam10Please show all your work11If alpha is not given in the question use 00512Do not begin this examination until you are instructed to do so13Do not write in the mark summary table belowPart IProblem Recognition24 marksPart IITrueFalse8 marksPart IIIMultiple Choice Questions10 marksPart IVProblemsQuestion 1 8 marksQuestion 2 22 marksQuestion 3 20 marksQuestion 48 marksSubtotal58 marksTOTAL100 marksMGMT1050Practice Final ExaminationPART IPROBLEM RECOGNITION 24 MARKS 2 MARKS EACHInstructions For each of the scenarios below write the null and alternative hypotheses and indicate the most appropriate statistical test You are not required to conduct the test just 2choose the most suitable test from the following options ztest ttest ctest Ftest ANOVA Notes 1Be specific in your answers for example specify the type of ANOVA required oneway randomized block or twoway or whether you would use the ttest for equal variances or not 2When writing hypotheses for two population tests use meaningful indexing For example if the question asks to compare Canada and the US write mm as opposed to mm cu123 Write all relevant hypotheses for each of the questionsDo captive stores price differently than independent Hypotheses H and H0A1retailersIn order to test this question a researcher selected 20 Sony products and collected the prices for these items at three storesthe Sony Style store The Source and a local electronics retailerTestClothes lines where people hang their clothes outside Hypotheses H and H0A2on lines to dry are making a comeback as people strive to reduce the amount of energy usedOne green consumer who had both types of clothes lines the pulley type and the collapsible clothes line tree style decided to see if there is a deference in drying times by splitting the clothes to be dried evenly by type between the two types of clothes lines for 15 weeksTestAn accounting student trying to determine her optimal Hypotheses H and H0A3career path want to see how the incomes of accountants varied based on which designation they held CA CMA CGA and whether they worked in industry or private practiceTestHas the recent decline in the stock market affected Hypotheses H and H0A4investors retirement portfoliosA study three years ago found that for families with the oldest working spouse between 50 and 60 years old the average portfolio value was 325000A survey of 200 families in the same age group done last month found the average to be 275000 with a standard deviation of 65000TestDO NOT REMOVE THE STAPLE OR ANY PAGESPage 2 of 15
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