Lesson 5: Residual Analysis and R-Squared

0
September 6, 2015 at 7:55 pm  •  Posted in f15-busad360 by  •  0 Comments

Mon Sep 7

Review:

Presentation:

  • Residual Analysis
    • Individual Residuals
    • Residual Plot(s)
    • Residual Sum of Squares (SSE) and Total Sum of Squares (SSyy)
    • Coefficient of Determination
      • Calculation of r-squared
      • Relationship to Pearson Correlation Coefficient

Activity:

  • Use data on Table 12.4 on p. 479
    • Calculate and plot residuals
    • Calculate r-squared
    • Scatter Plot of Actual (y) vs Predicted (y-hat)

Assignment:

  • Use your 10 countries GDP and Fertility data to complete the following in Sheets
    • Calculate and plot residuals
    • Calculate r-squared
    • Scatter Plot of Actual (y) vs Predicted (y-hat)
    • Share results on blog

Leave a Reply