1. Welcome to Statistics!

2. Welcome to Statistics!
(Your biggest thrill at Stanford)

3. Course Objectives
You will be prepared for more advanced courses in multiple regression and analysis of variance.

4. Course Objectives
You will be prepared for more advanced courses in multiple regression and analysis of variance.
You will learn and appreciate the sensation of quantification.

5. Course Objectives
You will be prepared for more advanced courses in multiple regression and analysis of variance.
You will learn and appreciate the sensation of quantification.
We will help each other so that no one will fail.

6. Course Objectives
You will be prepared for more advanced courses in multiple regression and analysis of variance.
You will learn and appreciate the sensation of quantification.
We will help each other so that no one will fail.
You will fall in love with statistics!

7. Hopefully not
like this!

10. How unusual is that?

11. Downloaded from National Snow and Ice Data Center
September 20, 2010

12. Population
The goal is to describe this as accurately as possible.

13. Population
Sample
You take a sample.

14. You describe the sample.
Population
Sample X _ _
You describe the sample.

16. _ XC _ XD Population _ XB µ _ XE _ XA
SampleC XC _
SampleD XD _
Population
SampleB XB _
SampleE XE
SampleA XA _ _
The sample mean is just one of many possible sample means drawn from the population, and is rarely equal to the real population value.

17. Correlation

18. Regression

19. Xboys=53.75 _
Xgirls=51.16 _
How do we know if the difference between these means,
of = 2.59, is reliably different from zero?

20. Syllabus
Google “Kenji Hakuta”
Go to “courses”
Go to Education 200C