1. IB Math SL
21A: Correlation

2. Opening Problem

3. Scatter diagram
Independent vs. Dependent
Correlation?

4. Correlation Relationship between two variables:
Direction, linearity, strength, outliers, causation

5. Direction
Positive
Negative
No Correlation

6. Linearity
Roughly Linear
Not Linear

7. STrength

8. Outliers

9. Causation Not necessarily does one variable cause the other variable.
Examples:

10. Classwork 21A Part I: #2 and your choice between #3 or #4.
Part II: Two scenarios
One that has either a positive correlation or negative correlation with causation
One that has a positive correlation without causation.
LABEL!