Review for Exam 1
February 13, 2024
Review Presentation:
- Exam 1 will cover Lessons 1-5
- Focus on Bivariate analysis
Key Topics:
- Scatterplots
- Correlation (visual characterization)
- Positive or Negative
- Strong, Moderate or Weak
- Correlation
- Pearson Correlation Coefficient
- Sum of Squares calculations
- SSxx, SSyy, SSxy, r
- Correlation matrix
- Linear Regression
- Sum of Squares calculation
- Slope b1
- Intercept b0
- Plug-in x and solve for y
- Sum of Squares calculation
- Analysis of Forecast Error
- Scatterplot of Actual versus Forecast
- Calculation of MAD
- Calculation of RMSE
- Curvilinear Regression or Curve Fitting
- Trendline
- Polynomials (2nd, 3rd, 4th order)
- Analysis/Calculation
- Manual
- Sheets
- XL Miner
Activity:
- Practice Exam
Assignment:
- Study for Exam 1