Koofers

Past Exam for BIT 2405 - Quantitative Methods at Virginia Tech (VT)

Exam Information

Material Type:Practice Exam 1
Professor:Staff
Class:BIT 2405 - Quantitative Methods
Subject:Business Information Technology
University:Virginia Polytechnic Institute And State University
Term:Fall 2008
Keywords:
  • Practice Exam
  • The Independent
  • None of the Above
  • Exclusive Or
  • No Correlation
  • Random Sample
  • Coefficient of Variation
  • Gas Station
  • Randomly Selected
  • Probability.
Login / Sign Up to View Document
Preview Page 1Preview Page 2Preview Page 3Preview Page 4Preview Page 5Preview Page 6

Sample Document Text

Practice Exam 1- BIT 2405 Multiple Choice Part (2.5 points each) I. A radio station claims that the amount of advertising per hour of broadcast time has an average of 5 minutes, a median of 5 minutes, a mode of 5 minutes, and a standard deviation equal to 1.2 minutes. 1. The distribution of advertising times is 1. Symmetric 2. Skewed right 3. Skewed left 4. Bi-modal 2. What percentage of advertising times amounted to less than 6.2 minutes? a. Approximately all b. Approximately 84% c. Approximately 97.5% d. Approximately 95% 3. Assuming nothing is known about the distribution in the situation above, what percentage of advertising times amounted to less than 2.6 minutes? a. At most 12.5% b. At most 25% c. At most 11% d. None of the above 4. An advertising time is observed that is 8 minutes. Is that unusual? 1. Yes 2. No 3. Don’t Know II. Following is a sample of Wageweb’s survey data (in $1,000). Salaries ($1000) 40 51 55 62 71 42 47 57 49 68 43 47 2  xi =632  x i = 34416  5. Approximately wh...

Related Documents

Practice Exam Exam
Ratio Scale Notes
Convenience Exam
Final Exam Formula Notes
Class Intervals Notes
Coefficient of Variation Exam
None of the Above Exam
Practice Exam Exam
Relative Location Exam
Practice Exam Exam
Practice Exam Exam
Convenience Exam
None of the Above Exam
Probability Distribution Notes
Direct-Mail Marketing Exam
Highest Frequency Exam
155, "/var/app/current/tmp/"