1. Wednesday, September 23
Descriptive v. Inferential statistics.

2. Population
Sample X _
You describe the sample and then make inferences about the population. 2

3. Wednesday, September 23 Descriptive v. Inferential statistics.
Independent v. Dependent variables.

4. Wednesday, September 23 Descriptive v. Inferential statistics.
Independent v. Dependent variables.
Types (scales) of data: nominal, ordinal, interval, ratio.

5. http://www. championchiptiming. com/images/files/static/368OverAllLong

6. Wednesday, September 23 Descriptive v. Inferential statistics.
Independent v. Dependent variables.
Types (scales) of data: nominal, ordinal, interval, ratio.
Frequency distributions.
Stem-and-Leaf display.

7. Let's collect some data!

8. Let's collect some data!
Estimate in inches

9. Let's collect some data!
Estimate in inches
Male or Female

10. Let's collect some data! Estimate in inches Male or Female
Confidence in estimate
w/in ½ inches Yes/No

11. Let's collect some data! Estimate in inches Male or Female
Confidence in estimate
w/in ½ inches Yes/No