Based on prior knowledge and common sense, it can be assumed that there is a positive relationship between the level of education and earning more than 50000 dollars per year. Higher levels of education generally lead to higher income opportunities.

Based on this analysis, we can generate the following dictionary:

```json
{
	"no": [1, 2, 3, 4, 5], 
	"yes": [9, 10, 11, 12, 13]
}
```

Typical educational-num values for the target class 'no' (earn less than 50000 dollars per year) could be in the range of 1 to 5, which could correspond to primary, some high school, high school graduate, some college, and associate degree.

Typical educational-num values for the target class 'yes' (earn more than 50000 dollars per year) could be in the range of 9 to 13, which could correspond to some college, bachelor's degree, master's degree, professional school degree, and doctorate degree.