FX2304_F08 - ADM 2304 APPLIED STATISTICAL METHODS IN...

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ADM 2304 APPLIED STATISTICAL METHODS IN BUSINESS Final Exam – December 13, 2008 NAME (please print): _____________________________________________ STUDENT NUMBER: _________________________________ SECTION (please circle one): A B Time allowed: 3 hours Question booklet: 10 pages (all single-sided sheets, including this cover sheet) Appendices: 7 pages of output and 5 tables (on 6 double-sided sheets) Instructions: 1. Calculators, rulers, and one sheet of notes (8.5 x 14 in.) are allowed. 2. Please write clearly and legibly. 3. Complete all hypothesis tests at the .05 level of significance unless otherwise indicated . 4. You must hand everything back at the end of the exam (exam question booklet, appendices and stat-tables), but please keep your personal sheet of notes. Question Value Mark 1 16 2 11 3 15 4 25 Total 67 Statement of Academic Integrity The School of Management does not condone academic fraud, an act by a student that may result in a false academic evaluation of that student or of another student. Without limiting the generality of this definition, academic fraud occurs when a student commits any of the following offences: plagiarism or cheating of any kind, use of books, notes, mathematical tables, dictionaries or other study aid unless an explicit written note to the contrary appears on the exam, to have in his/her possession cameras, radios (radios with head sets), tape recorders, pagers, cell phones, or any other communication device which has not been previously authorized in writing. I have read the text on academic integrity and I pledge not to have committed or attempted to commit academic fraud in this examination. Signed: _____________________________________
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ADM 2304 Final Examination Fall 2008 2 Question 1. [ 16 marks ] A Leger Marketing poll released on 4 December 2008 asked a random sample of Canadians whether they would choose an election or a coalition, if MPs were to vote non- confidence in the newly elected government led by Stephen Harper. The results were distributed as follows: Choice Region Election Coalition Undecided B.C. 73 39 23 Alberta 75 19 12 Prairies 35 17 8 Ontario 168 152 70 Quebec 60 139 41 Maritimes 19 29 13 Totals 430 395 167 (a) Calculate a 95% confidence interval for the proportion of Canadians who supported an election. [3] (b) Test whether there were more Canadians who supported an election than those who supported the coalition (ignore the undecided group). [4]
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ADM 2304 Final Examination Fall 2008 3 (c) Test whether there was a difference in the proportions of British Columbians and of Ontarians who supported the coalition. [4] (d) Test whether the distribution of responses differed by region. Use the partial Minitab output below to minimize your calculations and start by filling in some of the blanks. What is the approximate p-value? Expected counts are printed below observed counts
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This note was uploaded on 01/10/2010 for the course MANAGEMENT ADM 2304 taught by Professor Phansalker during the Fall '05 term at University of Ottawa.

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FX2304_F08 - ADM 2304 APPLIED STATISTICAL METHODS IN...

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