| Example
6.1 The data are recordings of length and weight of two samples of the European common toad, Bufo bufo, that were taken in the same area, but on different dates. |
| Exercise 6.1 Theoretical exercise. No data. |
| Exercise 6.2 Theoretical exercise. No data. |
| Exercise 6.3 Theoretical exercise. No data. |
| Exercise
6.4 The (artificial) data of this exercise give the number of women (in 10000), the number of storks, and the number of babies for 54 counties. |
| Exercise 6.5 Theoretical exercise. No data. |