Slide 1
Introduction (slide 1 of 2)
Introduction (slide 2 of 2)
Scatterplots: Graphing Relationships
Example 10.1: Drugstore Sales.xlsx (slide 1 of 2)
Example 10.1: Drugstore Sales.xlsx (slide 2 of 2)
Example 10.2: Overhead Costs.xlsx (slide 1 of 3)
Example 10.2: Overhead Costs.xlsx (slide 2 of 3)
Example 10.2: Overhead Costs.xlsx (slide 3 of 3)
Linear versus Nonlinear Relationships
Outliers (slide 1 of 2)
Outliers (slide 2 of 2)
Unequal Variance
No Relationship
Slide 15
Slide 16
Simple Linear Regression
Least Squares Estimation (slide 1 of 2)
Least Squares Estimation (slide 2 of 2)
Example 10.1 (continued): Drugstore Sales.xlsx (slide 1 of 2)
Example 10.1 (continued): Drugstore Sales.xlsx (slide 2 of 2)
Example 10.2 (continued): Overhead Costs.xlsx (slide 1 of 2)
Example 10.2 (continued): Overhead Costs.xlsx (slide 2 of 2)
Standard Error of Estimate
The Percentage of Variation Explained: R-Square
Multiple Regression
Interpretation of Regression Coefficients
Example 10.2 (continued): Overhead Costs.xlsx
Interpretation of Standard Error of Estimate and R-Square
Modeling Possibilities
Dummy Variables
Example 10.3: Bank Salaries.xlsx (slide 1 of 3)
Example 10.3: Bank Salaries.xlsx (slide 2 of 3)
Example 10.3: Bank Salaries.xlsx (slide 3 of 3)
Interaction Variables
Example 10.3 (continued): Bank Salaries.xlsx (slide 1 of 2)
Example 10.3 (continued): Bank Salaries.xlsx (slide 2 of 2)
Nonlinear Transformations
Example 10.4: Cost of Power.xlsx (slide 1 of 3)
Example 10.4: Cost of Power.xlsx (slide 2 of 3)
Example 10.4: Cost of Power.xlsx (slide 3 of 3)
Example 10.3 (continued): Bank Salaries.xlsx (slide 1 of 2)
Example 10.3 (continued): Bank Salaries.xlsx (slide 2 of 2)
Constant Elasticity Relationships
Example 10.5: Car Sales.xlsx (slide 1 of 2)
Example 10.5: Car Sales.xlsx (slide 2 of 2)
Learning Curve Models
Example 10.6: Learning Curve.xlsx (slide 1 of 2)
Example 10.6: Learning Curve.xlsx (slide 2 of 2)
Validation of the Fit
Example 10.2 (continued): Overhead Costs Validation.xlsx