Layout Rererences Mailings Review View Help Tell me what you want to do Calibri (Body) -A A 三,, 11 Aa - T 21 T AaBbCcDc AaBbCcDc AABBC AaBl Painter BIU- abe x, x* A - a A 而, T Normal T No Spac......

8- Conduct residual analysis for the best fitted model. Comment on the normality assumption and constant error variances . Comment this 4 graph


Extracted text: Layout Rererences Mailings Review View Help Tell me what you want to do Calibri (Body) -A A 三,, 11 Aa - T 21 T AaBbCcDc AaBbCcDc AABBC AaBl Painter BIU- abe x, x* A - a A 而, T Normal T No Spac... Heading 1 Heac Font Paragraph Styles Income Residual Plot 20 1000 1500 -20 y = -0.0155x + 8.6249 -40 Income Family Size(X) Residual Plot Hitit: 20 12 -20 y = -1.9696x + 9.7991 -40 Family Size Residuals Residuals


Extracted text: Calibri (Body) 11 - A A Aa - AaBbCcDc AaBbCcDc AaBbC AaBbCcC A B I U abc X, x A A- T Normal T No Spac. Heading 1 Heading 2 Font Paragraph Styles Highest Degree Residual Plot 40 20 -20 8 y = -5.2701x + 10.759 Highest Degree -40 Normal Probability Plot 400 y = 1.5735x + 32.553 300 200 100 20 40 60 80 100 120 Sample Percentile English (United States) Food Expenses (Y) Residuals