Dr. Drott's Random Sampler
Contents
[ to get the software]
[ to Dr. Drott's Home Page]
Title Page
Introduction
Part I: The Theory of Sampling
The Theory of Sampling
Possible Sampling Errors
Setting a Value for Variability
Setting a Value for Precision
Selecting a Value for Confidence
Other Sources of Error
The Sampling Frame
The Random Sample
Part II: Using the Program
Setting Sample Size, Precision, Confidence Limits and Variance
More About Sample Size
Selecting a Simple Numerical Sample
Choosing the Ordering of Your Sample
Selecting a Non-Numeric Sample
Special Named Categories
Selecting Samples with More than one Category
Taking Supplemental Samples
Alternate Sampling Designs
Things Not to Sample
Part III: Examples
Example 1: Sampling Work by Selecting Times
Example 2: Drawing Students from a Registrar's List
Example 3: Books from a Card Catalogue
Example 4: Books from an On-Line Catalogue
Appendix 1: Using the Program in Conjunction with Spreadsheets and Word Processors
Appendix 2 Critical Elements in Weeding An Elementary School Collection:
A Random Sampling Approach
by Diane M. Oesau (43k)
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