| 129997 | Test for Homogeneity · Exercise 11 | Medium | |
| 129998 | Test for Homogeneity · Exercise 12 | Medium | |
| 129999 | Test for Homogeneity · Exercise 13 | Medium | |
| 130000 | Test for Homogeneity · Exercise 14 | Medium | |
| 130001 | Test for Homogeneity · Exercise 15 | Medium | |
| 130002 | Test for Homogeneity · Exercise 16 | Medium | |
| 130004 | Comparison of the Chi-Square Tests · Exercise 2 | Medium | |
| 130006 | Comparison of the Chi-Square Tests · Exercise 4 | Medium | |
| 130007 | Comparison of the Chi-Square Tests · Exercise 5 | Medium | |
| 130008 | Comparison of the Chi-Square Tests · Exercise 6 | Medium | |
| 130009 | Comparison of the Chi-Square Tests · Exercise 7 | Medium | |
| 130010 | Comparison of the Chi-Square Tests · Exercise 8 | Medium | |
| 130013 | Test of a Single Variance · Try It 1 | Easy | |
| 130014 | Test of a Single Variance · Example 2 | Easy | |
| 130015 | Test of a Single Variance · Try It 2 | Easy | |
| 130017 | Test of a Single Variance · Exercise 2 | Medium | |
| 130019 | Test of a Single Variance · Exercise 4 | Medium | |
| 130021 | Test of a Single Variance · Exercise 6 | Medium | |
| 130023 | Test of a Single Variance · Exercise 8 | Medium | |
| 130025 | Test of a Single Variance · Exercise 10 | Medium | |
| 130026 | Test of a Single Variance · Exercise 11 | Medium | |
| 130027 | Test of a Single Variance · Exercise 12 | Medium | |
| 130028 | Test of a Single Variance · Exercise 13 | Medium | |
| 130029 | Test of a Single Variance · Exercise 14 | Medium | |
| 130030 | Test of a Single Variance · Exercise 15 | Medium | |
| 130031 | Test of a Single Variance · Exercise 16 | Medium | |
| 130032 | Test of a Single Variance · Exercise 17 | Medium | |
| 130033 | Test of a Single Variance · Exercise 18 | Medium | |
| 130034 | Test of a Single Variance · Exercise 19 | Medium | |
| 130036 | Test of a Single Variance · Exercise 21 | Medium | |
| 130038 | Test of a Single Variance · Exercise 23 | Medium | |
| 130039 | Test of a Single Variance · Exercise 24 | Medium | |
| 130040 | Test of a Single Variance · Exercise 25 | Medium | |
| 130041 | Test of a Single Variance · Exercise 26 | Medium | |
| 130042 | Test of a Single Variance · Exercise 27 | Medium | |
| 130043 | Test of a Single Variance · Exercise 28 | Medium | |
| 130044 | Test of a Single Variance · Exercise 29 | Medium | |
| 130046 | Test of a Single Variance · Exercise 31 | Medium | |
| 130727 | Test of a Single Variance · Example 2 | Easy | |
| 130729 | Test of a Single Variance · Try It 3 | Easy | |
| 130730 | Test of a Single Variance · Exercise 16 | Medium | |
| 130731 | Test of a Single Variance · Exercise 21 | Medium | |
| 130732 | Test of a Single Variance · Exercise 22 | Medium | |
| 130733 | Test of a Single Variance · Exercise 23 | Medium | |
| 130734 | Test of a Single Variance · Exercise 24 | Medium | |
| 130735 | Test of a Single Variance · Exercise 25 | Medium | |
| 130736 | Test of a Single Variance · Exercise 26 | Medium | |
| 130737 | Test of a Single Variance · Exercise 27 | Medium | |
| 130739 | Test of a Single Variance · Exercise 29 | Medium | |
| 130741 | Goodness-of-Fit Test · Exercise 1 | Medium | |