| 128545 | Data, Sampling, and Variation in Data and Sampling · Exercise 57 | Medium | |
| 128547 | Data, Sampling, and Variation in Data and Sampling · Exercise 59 | Medium | |
| 128549 | Data, Sampling, and Variation in Data and Sampling · Exercise 61 | Medium | |
| 128550 | Data, Sampling, and Variation in Data and Sampling · Exercise 62 | Medium | |
| 128562 | Frequency, Frequency Tables, and Levels of Measurement · Exercise 2 | Medium | |
| 128564 | Frequency, Frequency Tables, and Levels of Measurement · Exercise 4 | Medium | |
| 128567 | Frequency, Frequency Tables, and Levels of Measurement · Exercise 8 | Medium | |
| 130234 | Definitions of Statistics, Probability, and Key Terms · Exercise 5 | Medium | |
| 130236 | Definitions of Statistics, Probability, and Key Terms · Exercise 9 | Medium | |
| 130242 | Data, Sampling, and Variation in Data and Sampling · Exercise 12 | Medium | |
| 130840 | Definitions of Statistics, Probability, and Key Terms · Exercise 11 | Medium | |
| 130841 | Definitions of Statistics, Probability, and Key Terms · Exercise 13 | Medium | |
| 130843 | Definitions of Statistics, Probability, and Key Terms · Exercise 19 | Medium | |
| 130854 | Data, Sampling, and Variation in Data and Sampling · Exercise 6 | Medium | |
| 130855 | Data, Sampling, and Variation in Data and Sampling · Exercise 11 | Medium | |
| 130856 | Data, Sampling, and Variation in Data and Sampling · Exercise 19 | Medium | |
| 130858 | Data, Sampling, and Variation in Data and Sampling · Exercise 21 | Medium | |
| 130860 | Data, Sampling, and Variation in Data and Sampling · Exercise 23 | Medium | |
| 130861 | Data, Sampling, and Variation in Data and Sampling · Exercise 24 | Medium | |
| 130863 | Data, Sampling, and Variation in Data and Sampling · Exercise 26 | Medium | |
| 130865 | Data, Sampling, and Variation in Data and Sampling · Exercise 28 | Medium | |
| 130867 | Data, Sampling, and Variation in Data and Sampling · Exercise 30 | Medium | |
| 130868 | Data, Sampling, and Variation in Data and Sampling · Exercise 31 | Medium | |
| 130869 | Data, Sampling, and Variation in Data and Sampling · Exercise 32 | Medium | |
| 130870 | Data, Sampling, and Variation in Data and Sampling · Exercise 33 | Medium | |
| 130871 | Data, Sampling, and Variation in Data and Sampling · Exercise 34 | Medium | |
| 130873 | Data, Sampling, and Variation in Data and Sampling · Exercise 54 | Medium | |
| 130875 | Data, Sampling, and Variation in Data and Sampling · Exercise 56 | Medium | |
| 130876 | Data, Sampling, and Variation in Data and Sampling · Exercise 58 | Medium | |
| 130877 | Data, Sampling, and Variation in Data and Sampling · Exercise 60 | Medium | |
| 130879 | Data, Sampling, and Variation in Data and Sampling · Exercise 62 | Medium | |
| 130880 | Data, Sampling, and Variation in Data and Sampling · Exercise 63 | Medium | |
| 130887 | Frequency, Frequency Tables, and Levels of Measurement · Exercise 2 | Medium | |
| 130889 | Frequency, Frequency Tables, and Levels of Measurement · Exercise 4 | Medium | |
| 130891 | Frequency, Frequency Tables, and Levels of Measurement · Exercise 8 | Medium | |