Answer Key
Module 4: Graphical Displays of Data
Module 4: Graphical Displays of Data
The correct answers for this module are:
1. D
2. B
3. E (Past trends will not necessarily continue unabated into the future.)
4. A
If you missed more than one of these problems, you should study up on graphs.
Resources for Studying Graphs:
Teach Yourself Statistics, Second Edition
Alan Graham; NTC Publishing; 2000; $10
Generally good brief descriptions and illustrations of basic algebra, descriptive statistics, tables, graphs, sampling, and probability.
How to Lie with Statistics
Darrell Huff; Norton and Co., 1993; $8
A wonderfully illuminating (and witty) discussion of how graphs and descriptive statistics can be misleading if not prepared and interpreted with care.
Statistics for the Utterly Confused, Chapter 1
Lloyd Jaisingh; McGraw-Hill 2000; $17.
This book provides good coverage of descriptive and inferential statistics. There are lots of problems and an answer key.
Hyperstat, Chapter 2
http://davidmlane.com/hyperstat/
David M. Lane
This is an online introductory textbook on statistics with pretty good explanations and exercises with an answer key for some. Each chapter has links to other Web sites dealing with similar topics and references to print text books covering the topics.
Mathematics Skills Review Series, #3-5
http://cstl.syr.edu/fipse/MathReview.html
This instructional Web site has generally clear explanations, good illustrations, and lots of exercises with answers. It was developed by six universities with federal funding. (Note: After selecting a module, you have to click on the small yellow cross at the bottom to get to the content links.)
Introduction and Descriptive Statistics
http://www2.spsu.edu/tmgt/richardson/Statistics/Chap-01/Chap-01.html
This is an online textbook. See the section on Charts toward the bottom half of this page."
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