| 130227 | Test of Two Variances · Exercise 20 | Medium | |
| 130228 | Test of Two Variances · Exercise 21 | Medium | |
| 130229 | Test of Two Variances · Exercise 22 | Medium | |
| 130230 | Test of Two Variances · Exercise 23 | Medium | |
| 130231 | Test of Two Variances · Exercise 24 | Medium | |
| 130232 | Test of Two Variances · Exercise 25 | Medium | |
| 130776 | Test of Two Variances · Exercise 8 | Medium | |
| 130777 | Test of Two Variances · Exercise 12 | Medium | |
| 130778 | Test of Two Variances · Exercise 18 | Medium | |
| 130779 | Test of Two Variances · Exercise 19 | Medium | |
| 130780 | Test of Two Variances · Exercise 20 | Medium | |
| 130781 | Test of Two Variances · Exercise 21 | Medium | |
| 130782 | Test of Two Variances · Exercise 22 | Medium | |
| 130783 | Test of Two Variances · Exercise 23 | Medium | |
| 130784 | Test of Two Variances · Exercise 24 | Medium | |
| 130785 | Test of Two Variances · Exercise 25 | Medium | |
| 130786 | One-Way ANOVA · Exercise 6 | Medium | |
| 130787 | The F Distribution and the F-Ratio · Exercise 8 | Medium | |
| 130789 | The F Distribution and the F-Ratio · Exercise 10 | Medium | |
| 130791 | The F Distribution and the F-Ratio · Exercise 12 | Medium | |
| 130793 | The F Distribution and the F-Ratio · Exercise 14 | Medium | |
| 130795 | Facts About the F Distribution · Exercise 21 | Medium | |
| 130796 | Facts About the F Distribution · Exercise 22 | Medium | |
| 130797 | Facts About the F Distribution · Exercise 23 | Medium | |
| 130798 | Facts About the F Distribution · Exercise 24 | Medium | |
| 130799 | Facts About the F Distribution · Exercise 25 | Medium | |
| 130800 | Facts About the F Distribution · Exercise 26 | Medium | |
| 130801 | Facts About the F Distribution · Exercise 27 | Medium | |
| 130802 | Facts About the F Distribution · Exercise 30 | Medium | |
| 131977 | One-Way ANOVA · Exercise 2 | Medium | |
| 131979 | One-Way ANOVA · Exercise 4 | Medium | |
| 131981 | One-Way ANOVA · Exercise 6 | Medium | |
| 131982 | One-Way ANOVA · Exercise 7 | Medium | |
| 131983 | One-Way ANOVA · Exercise 8 | Medium | |
| 131984 | One-Way ANOVA · Exercise 10 | Medium | |
| 131986 | The F Distribution and the F Ratio · Exercise 1 | Medium | |
| 131987 | The F Distribution and the F Ratio · Exercise 2 | Medium | |
| 131988 | The F Distribution and the F Ratio · Exercise 3 | Medium | |
| 131989 | The F Distribution and the F Ratio · Exercise 4 | Medium | |
| 131990 | The F Distribution and the F Ratio · Exercise 5 | Medium | |
| 131991 | The F Distribution and the F Ratio · Exercise 6 | Medium | |
| 131992 | The F Distribution and the F Ratio · Exercise 7 | Medium | |
| 131993 | The F Distribution and the F Ratio · Exercise 8 | Medium | |
| 131995 | The F Distribution and the F Ratio · Exercise 10 | Medium | |
| 131997 | The F Distribution and the F Ratio · Exercise 12 | Medium | |
| 131999 | The F Distribution and the F Ratio · Exercise 14 | Medium | |
| 132006 | Facts About the F Distribution · Exercise 3 | Medium | |
| 132008 | Facts About the F Distribution · Exercise 5 | Medium | |
| 132010 | Facts About the F Distribution · Exercise 7 | Medium | |
| 132012 | Facts About the F Distribution · Exercise 9 | Medium | |