| 131968 | Outliers · Exercise 15 | Medium | |
| 131969 | Outliers · Exercise 16 | Medium | |
| 131971 | Outliers · Exercise 18 | Medium | |
| 131973 | Outliers · Exercise 20 | Medium | |
| 131975 | Outliers · Exercise 22 | Medium | |
| 130052 | Linear Equations · Exercise 1 | Medium | |
| 130063 | Linear Equations · Exercise 13 | Medium | |
| 130074 | Scatter Plots · Exercise 8 | Medium | |
| 130077 | The Regression Equation · Exercise 2 | Medium | |
| 130092 | Testing the Significance of the Correlation Coefficient · Exercise 2 | Medium | |
| 130096 | Prediction · Exercise 1 | Medium | |
| 130098 | Prediction · Exercise 3 | Medium | |
| 130100 | Prediction · Exercise 5 | Medium | |
| 130127 | Outliers · Exercise 5 | Medium | |
| 130803 | The Correlation Coefficient r · Exercise 1 | Medium | |
| 130806 | The Correlation Coefficient r · Exercise 4 | Medium | |
| 130808 | The Correlation Coefficient r · Exercise 6 | Medium | |
| 130810 | The Correlation Coefficient r · Exercise 8 | Medium | |
| 130811 | The Correlation Coefficient r · Exercise 9 | Medium | |
| 130812 | The Correlation Coefficient r · Exercise 10 | Medium | |
| 130816 | Linear Equations · Exercise 2 | Medium | |
| 130817 | Linear Equations · Exercise 3 | Medium | |
| 130819 | Linear Equations · Exercise 5 | Medium | |
| 130822 | The Regression Equation · Exercise 3 | Medium | |
| 130824 | Interpretation of Regression Coefficients: Elasticity and Logarithmic Transformation · Exercise 2 | Medium | |
| 130830 | Predicting with a Regression Equation · Exercise 3 | Medium | |
| 130831 | Predicting with a Regression Equation · Exercise 4 | Medium | |
| 131921 | Linear Equations · Exercise 13 | Medium | |
| 131932 | Prediction (Optional) · Exercise 1 | Medium | |
| 131934 | Prediction (Optional) · Exercise 3 | Medium | |
| 131936 | Prediction (Optional) · Exercise 5 | Medium | |
| 131942 | Prediction (Optional) · Exercise 11 | Medium | |
| 131959 | Outliers · Exercise 6 | Medium | |
| 130123 | Outliers · Exercise 1 | Medium | |
| 130125 | Outliers · Exercise 3 | Medium | |
| 130053 | Linear Equations · Exercise 2 | Medium | |
| 130054 | Linear Equations · Exercise 3 | Medium | |
| 130055 | Linear Equations · Exercise 4 | Medium | |
| 130056 | Linear Equations · Exercise 5 | Medium | |
| 130057 | Linear Equations · Exercise 6 | Medium | |
| 130060 | Linear Equations · Exercise 10 | Medium | |
| 130062 | Linear Equations · Exercise 12 | Medium | |
| 130064 | Linear Equations · Exercise 14 | Medium | |
| 130066 | Linear Equations · Exercise 16 | Medium | |
| 130068 | Linear Equations · Exercise 18 | Medium | |
| 130070 | Scatter Plots · Exercise 4 | Medium | |
| 130071 | Scatter Plots · Exercise 5 | Medium | |
| 130072 | Scatter Plots · Exercise 6 | Medium | |
| 130073 | Scatter Plots · Exercise 7 | Medium | |
| 130076 | The Regression Equation · Exercise 1 | Medium | |