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ADM 2304 APPLICATIONS OF STATISTICAL METHODS IN BUSINESS Final Exam - December 8, 2007 NAME: _____________________________________________ STUDENT NUMBER: _________________________________ SECTION (please circle one): A B Time allowed: 3 hours Question booklet: 8 pages (all single-sided sheets, including this cover sheet). Appendices: 7 pages plus 5 tables (6 double-sided sheets). Instructions: Calculators, rulers, and one sheet of notes (8.5 x 14 in.) are allowed. Please write clearly and legibly. Statistical tables (studentized range, z, t, chi-square, and F) are found following the appendices. You must hand everything in at the end of the exam (exam question booklet, appendices and stat-tables). Please do not hand in your sheet of notes. Question Value Mark 1 10 2 10 3 11 4 19 5 15 Total 65 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: _____________________________________ Note: an examination copy or booklet without this signed statement will not be graded and will receive a final exam grade of zero.
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8 December 2007 2 Question 1. (10 marks) Real estate values are higher in Ottawa than in Quebec City. To test how much of an impact this has on the gross rental costs between these two cities, a sample of tenants was taken from each city and asked about their monthly rental costs. The data are summarized below: N Mean StDev Ottawa 96 730 257 Quebec 57 534 200 (a) At the 1% level of significance, is there sufficient evidence that the average Ottawa rent exceeds that of Quebec City by more than $100? [5] There are obvious differences in social trends and lifestyles as well. To compare the proportion of Ottawa residents who are legally married with the proportion of Quebec residents who are legally married, the following data were collected: Number Legally Married Sample Size Ottawa 117 304 Quebec 52 191 (b) Test at the 1% level of significance whether there is sufficient evidence to show that there are proportionately more married people in Ottawa than in Quebec. [5]
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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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