| 131728 | Two Population Means with Unknown Standard Deviations · Exercise 38 | Medium | |
| 131729 | Two Population Means with Unknown Standard Deviations · Exercise 39 | Medium | |
| 131731 | Two Population Means with Unknown Standard Deviations · Exercise 42 | Medium | |
| 131737 | Two Population Means with Known Standard Deviations · Exercise 10 | Medium | |
| 131739 | Two Population Means with Known Standard Deviations · Exercise 12 | Medium | |
| 131741 | Two Population Means with Known Standard Deviations · Exercise 14 | Medium | |
| 131743 | Two Population Means with Known Standard Deviations · Exercise 16 | Medium | |
| 131744 | Two Population Means with Known Standard Deviations · Exercise 17 | Medium | |
| 131745 | Two Population Means with Known Standard Deviations · Exercise 18 | Medium | |
| 131746 | Two Population Means with Known Standard Deviations · Exercise 19 | Medium | |
| 131747 | Two Population Means with Known Standard Deviations · Exercise 20 | Medium | |
| 131748 | Two Population Means with Known Standard Deviations · Exercise 21 | Medium | |
| 131762 | Comparing Two Independent Population Proportions · Exercise 7 | Medium | |
| 131764 | Comparing Two Independent Population Proportions · Exercise 9 | Medium | |
| 131766 | Comparing Two Independent Population Proportions · Exercise 11 | Medium | |
| 131767 | Comparing Two Independent Population Proportions · Exercise 12 | Medium | |
| 131768 | Comparing Two Independent Population Proportions · Exercise 13 | Medium | |
| 131769 | Comparing Two Independent Population Proportions · Exercise 15 | Medium | |
| 131771 | Comparing Two Independent Population Proportions · Exercise 17 | Medium | |
| 131772 | Comparing Two Independent Population Proportions · Exercise 18 | Medium | |
| 131773 | Comparing Two Independent Population Proportions · Exercise 19 | Medium | |
| 131774 | Comparing Two Independent Population Proportions · Exercise 20 | Medium | |
| 131775 | Comparing Two Independent Population Proportions · Exercise 21 | Medium | |
| 131777 | Comparing Two Independent Population Proportions · Exercise 23 | Medium | |
| 131778 | Comparing Two Independent Population Proportions · Exercise 24 | Medium | |
| 131779 | Comparing Two Independent Population Proportions · Exercise 25 | Medium | |
| 131781 | Comparing Two Independent Population Proportions · Exercise 27 | Medium | |
| 131783 | Comparing Two Independent Population Proportions · Exercise 29 | Medium | |
| 131785 | Comparing Two Independent Population Proportions · Exercise 31 | Medium | |
| 131792 | Matched or Paired Samples (Optional) · Exercise 2 | Medium | |
| 131794 | Matched or Paired Samples (Optional) · Exercise 4 | Medium | |
| 131796 | Matched or Paired Samples (Optional) · Exercise 6 | Medium | |
| 131798 | Matched or Paired Samples (Optional) · Exercise 8 | Medium | |
| 131799 | Matched or Paired Samples (Optional) · Exercise 9 | Medium | |
| 131800 | Matched or Paired Samples (Optional) · Exercise 10 | Medium | |
| 131802 | Matched or Paired Samples (Optional) · Exercise 12 | Medium | |
| 131804 | Matched or Paired Samples (Optional) · Exercise 14 | Medium | |
| 131807 | Matched or Paired Samples (Optional) · Exercise 21 | Medium | |
| 131808 | Matched or Paired Samples (Optional) · Exercise 22 | Medium | |
| 131809 | Matched or Paired Samples (Optional) · Exercise 23 | Medium | |
| 131810 | Matched or Paired Samples (Optional) · Exercise 24 | Medium | |
| 131811 | Matched or Paired Samples (Optional) · Exercise 25 | Medium | |
| 131812 | Matched or Paired Samples (Optional) · Exercise 26 | Medium | |
| 131813 | Matched or Paired Samples (Optional) · Exercise 27 | Medium | |
| 131814 | Matched or Paired Samples (Optional) · Exercise 28 | Medium | |
| 131815 | Matched or Paired Samples (Optional) · Exercise 29 | Medium | |
| 131817 | Matched or Paired Samples (Optional) · Exercise 31 | Medium | |
| 131819 | Matched or Paired Samples (Optional) · Exercise 33 | Medium | |
| 131821 | Matched or Paired Samples (Optional) · Exercise 35 | Medium | |