Boxplots and Standard Deviations

Week 2: January 20 through 24

MATH 214 ~ Probability and Statistics for Business Majors ~ Spring 2003

Class meeting schedule and topics

Monday, January 20 ~	Boxplots
Wednesday, January 22 ~	Standard deviations
Friday, January 24 ~	Standard deviations and z-scores
Monday, January 27 ~	Z-scores and Normal distributions

Homework Assignments

3. Due Monday, January 20

   Required work

   • Read about five-number summaries and boxplots in Section 2.8 on pages 86 through 93
   • Use your TI-83 to construct a histogram for the gasoline prices in the table accompanying Exercise 2.46 on page 65. Sketch the histogram on paper, and label it appropriately.
   • Exercise 2.46 on page 65

   Optional work

   • Exercises 2.30 and 2.40 on pages 61 and 63

4. Due Wednesday, January 22

   Required work

   • Read about standard deviations in Sections 2.5 and 2.6 on pages 65 through 76
   • Exercise 2.96 on pages 95 and 96

   Optional work

   • Exercises 2.91 and 2.95 on pages 94 and 95

5. Due Friday, January 24

   Required work

   • Read about z-scores on pages 80 through 83
   • Exercises 2.50 and 2.58 on pages 70 and 71

   Optional work

   • Exercises 2.52, 2.54, and 2.57 on pages 70 and 71

6. Due Monday, January 27

   Required work

   • Prepare your Executive Summary and Report for the Baseball Arbitration hearings
   • Exercise 2.84 on pages 84 and 85

   Optional work

   • Exercises 2.76 and 2.83 on page 84