quiz2_S08

quiz2_S08 - BUSI 410 FINAL QUIZ Tuesday 12-3pm This quiz...

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Page 1 of 16 ____________________________________________________________________________________ BUSI 410 – FINAL QUIZ Tuesday, April 29, 2008, 12-3pm This quiz consists of three short cases: , which is printed on pages 3-6. Recruiting at Morgan Chemicals , which is printed on pages 7-12. which is printed on pages 13-16. The quiz is open book, open notes, and open laptops. Your laptop’s wireless connectivity must be disabled. The quiz is closed cell phones and closed friends. Show all of your work on the quiz papers. Name________________________________________ Please Print Section (please circle): MW 9:30 MW 11:00 MW 12:30 MW 2:00 Honor Code Pledge: I have neither given nor received unauthorized aid on this quiz. Signature_____________________________________
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Page 3 of 16 BOB KNOWITALL’S AIR TRAVEL & EXPENSES Back in 2005 Bob Knowitall decided to cut back on teaching executive courses at “Profs-R-Us” Business School in order to have more time for his precious self. Since then, the time he spends traveling on leisure has increased to the point that it has drawn his colleagues’ envy. Although Bob could not care less about his colleagues’ feelings, it seems to him that the money he spends on retail purchases in airports (excluding food and news items) has increased as well. Having been an accounting professor all his life, he definitely cares about that. Out of habit (from the years when he was able to receive reimbursement for all his travel expenses), Bob has kept receipts for all the purchases he made at airports in 2006 and 2007. With a little help from Excel’s data analysis tool, he was able to obtain the descriptive statistics shown below for two samples: The $ amounts per receipt for his retail purchases in airports in 2006 and 2007. Unfortunately, this is as far as Bob can go when it comes to data analysis. Thus, he needs your expertise to make sense of the Excel report. Expenses per receipt 06 Expenses per receipt 07 Mean 0.628039216 Mean 0.949019608 Standard Error 0.02861786 Standard Error 0.041984362 Median 0.59 Median 0.9 Mode 0.71 Mode 1.04 Standard Deviation 0.204372401 Standard Deviation 0.299828317 Sample Variance 0.041768078 Sample Variance 0.08989702 Kurtosis 0.353431028 Kurtosis -0.513553985 Skewness 0.600313302 Skewness 0.224032858 Range 0.98 Range 1.3 Minimum 0.18 Minimum 0.31 Maximum 1.16 Maximum 1.61 Sum 32.03 Sum 48.4 Count 51 Count 51 Confidence Level(95.0%) 0.057480663 Confidence Level(95.0%) 0.084328071 In your answers to the questions below, please be sure to show all the steps that led you to the final answer. If a quantity of interest requires a calculation from a probability statistic, please write it in terms of the Excel function that computes it. 1.
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This document was uploaded on 11/04/2011 for the course BUSI 410 at UNC.

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quiz2_S08 - BUSI 410 FINAL QUIZ Tuesday 12-3pm This quiz...

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