| 131784 | Comparing Two Independent Population Proportions · Exercise 30 | Medium | |
| 131786 | Comparing Two Independent Population Proportions · Exercise 32 | Medium | |
| 131788 | Matched or Paired Samples (Optional) · Try It 1 | Easy | |
| 131789 | Matched or Paired Samples (Optional) · Try It 2 | Easy | |
| 131790 | Matched or Paired Samples (Optional) · Try It 3 | Easy | |
| 131795 | Matched or Paired Samples (Optional) · Exercise 5 | Medium | |
| 131805 | Matched or Paired Samples (Optional) · Exercise 15 | Medium | |
| 131820 | Matched or Paired Samples (Optional) · Exercise 34 | Medium | |
| 129589 | Null and Alternative Hypotheses · Exercise 7 | Medium | |
| 129591 | Null and Alternative Hypotheses · Exercise 9 | Medium | |
| 129595 | Null and Alternative Hypotheses · Exercise 13 | Medium | |
| 129607 | Outcomes and the Type I and Type II Errors · Exercise 7 | Medium | |
| 129609 | Outcomes and the Type I and Type II Errors · Exercise 9 | Medium | |
| 129613 | Outcomes and the Type I and Type II Errors · Exercise 13 | Medium | |
| 129615 | Outcomes and the Type I and Type II Errors · Exercise 15 | Medium | |
| 129617 | Probability Distribution Needed for Hypothesis Testing · Exercise 1 | Medium | |
| 129619 | Probability Distribution Needed for Hypothesis Testing · Exercise 3 | Medium | |
| 129621 | Probability Distribution Needed for Hypothesis Testing · Exercise 5 | Medium | |
| 129623 | Probability Distribution Needed for Hypothesis Testing · Exercise 7 | Medium | |
| 129625 | Probability Distribution Needed for Hypothesis Testing · Exercise 9 | Medium | |
| 129627 | Probability Distribution Needed for Hypothesis Testing · Exercise 11 | Medium | |
| 129628 | Probability Distribution Needed for Hypothesis Testing · Exercise 12 | Medium | |
| 129633 | Rare Events, the Sample, Decision and Conclusion · Exercise 2 | Medium | |
| 129638 | Rare Events, the Sample, Decision and Conclusion · Exercise 8 | Medium | |
| 129640 | Rare Events, the Sample, Decision and Conclusion · Exercise 10 | Medium | |
| 129644 | Rare Events, the Sample, Decision and Conclusion · Exercise 14 | Medium | |
| 129646 | Rare Events, the Sample, Decision and Conclusion · Exercise 16 | Medium | |
| 129670 | Additional Information and Full Hypothesis Test Examples · Exercise 1 | Medium | |
| 129672 | Additional Information and Full Hypothesis Test Examples · Exercise 3 | Medium | |
| 129676 | Additional Information and Full Hypothesis Test Examples · Exercise 7 | Medium | |
| 129678 | Additional Information and Full Hypothesis Test Examples · Exercise 9 | Medium | |
| 129680 | Additional Information and Full Hypothesis Test Examples · Exercise 11 | Medium | |
| 129682 | Additional Information and Full Hypothesis Test Examples · Exercise 13 | Medium | |
| 129713 | Additional Information and Full Hypothesis Test Examples · Exercise 44 | Medium | |
| 129715 | Additional Information and Full Hypothesis Test Examples · Exercise 46 | Medium | |
| 129728 | Two Population Means with Unknown Standard Deviations · Example 2 | Easy | |
| 129729 | Two Population Means with Unknown Standard Deviations · Example 3 | Easy | |
| 129730 | Two Population Means with Unknown Standard Deviations · Example 4 | Easy | |
| 129731 | Two Population Means with Unknown Standard Deviations · Example 5 | Easy | |
| 129734 | Two Population Means with Unknown Standard Deviations · Example 8 | Easy | |
| 129735 | Two Population Means with Unknown Standard Deviations · Example 9 | Easy | |
| 129742 | Two Population Means with Unknown Standard Deviations · Exercise 1 | Medium | |
| 129744 | Two Population Means with Unknown Standard Deviations · Exercise 3 | Medium | |
| 129746 | Two Population Means with Unknown Standard Deviations · Exercise 5 | Medium | |
| 129750 | Two Population Means with Unknown Standard Deviations · Exercise 9 | Medium | |
| 129756 | Two Population Means with Unknown Standard Deviations · Exercise 15 | Medium | |
| 129760 | Two Population Means with Unknown Standard Deviations · Exercise 19 | Medium | |
| 129762 | Two Population Means with Unknown Standard Deviations · Exercise 21 | Medium | |
| 129782 | Two Population Means with Unknown Standard Deviations · Exercise 41 | Medium | |
| 129786 | Two Population Means with Unknown Standard Deviations · Exercise 45 | Medium | |