1 / 13

BA 275 Quantitative Business Methods

This agenda outlines the final examination for the Quantitative Business Methods course, focusing on analyzing survey data through chi-square tests of independence and contingency tables. The exam is scheduled for Thursday, December 7, 2006, from 7:30 to 9:20 a.m. in Owen 102. Students must be seated in their assigned spots to receive their exam booklets. Comprehensive topics covered include regression analysis and chi-square tests, accounting for 60-70% of the exam. Be sure to bring a functioning calculator and get a good night’s sleep. Check email for additional office hours during finals week.

fitzgerald-walsh
Télécharger la présentation

BA 275 Quantitative Business Methods

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. BA 275Quantitative Business Methods Agenda • Analyzing Survey Data • Chi-square Test of Independence • Contingency Tables • Chi-square Test of a Contingency Table

  2. Final Examination • Thursday, 12/07/06 from 7:30 – 9:20 a.m. • Room: Owen 102 • Check the seating chart when you arrive. You must sit in the assigned seat to receive your own exam booklet. • Topics: Comprehensive • Regression analysis and Chi-square test account for 60 – 70%. • Need a calculator that works and a good night sleep. • Check email over the weekend for additional office hours during the finals week.

  3. Analyzing Survey Data • Do you own an iPod? ___Yes ___No • Do you own a flatscreen TV? ___Yes ___No • Which of the following 4 soft drinks gives you the highest satisfaction? • Type A ___ • Type B ___ • Type C ___ • Type D ___ • Your gender: ____Male ____ Female • Your nationality: _____

  4. Contingency Table

  5. Chi-square Test H0: The two classifications are independent Ha: The two classifications are dependent What is the marketing implication?

  6. Observed vs. Expected Counts

  7. Two Similar or Different Tables?

  8. Chi-square Statistic – a measure of similarity/difference Large or small? Implication?

  9. Chi-square Statistic Cutoff Degrees of freedom = (#rows – 1 ) x (#cols – 1) Reject H0 Tables look different Two classifications are DEPENDENT. Tables look similar Do not reject H0 Two classifications are INdependent.

  10. Critical Values of c2

  11. Example 1

  12. Example 2

  13. Finally …. Thank you and Good Luck

More Related