Chapter 1: The Where, Why, and How of Data Collection

Click on the links below for the audio lectures, and you do it exercises. The links have been arranged in sequential order, so if you would like to follow the recommended pattern, follow each lecture by doing the YDI! problems and exercises related to it. The page numbers listed below refer to your powerpoint slides. Therefore, page number 4 would be 1—4 in your notes. 

Topic
Page(s)
Lecture
YDI!
Introduction, and Chapter Goals
1-2
Example to Illustrate Scientific Method
3
Scientific Method (Continued)
5
Statistical Decision Making (Statistical Inference)
7
Testing Theories
9
1.2
Deciding Which Theory to Support
12
1.3
Errors in Decision Making
15
1.4
What's in the Bag?
18
 
19
 
19
Game Rules
20
Testing the Hypothesis
21
Forming a Decision Rule
22
Why Sample?
26
Language of Sampling
27
2.1
Good Data?
29
30
31
2.2, 2.3
Probability Sampling Methods
32-33
Simple Random Sampling
35
Simple Random Sampling (continued)
35
2.4
Stratified Random Sampling
36
2.7
 
37
Systematic Sampling
38
Cluster Sampling
39
2.13
Multistage Sampling