Based on prior knowledge, the feature "Insulin" can be used to analyze the relationship with the target variable "Does this person have diabetes?". Typically, people with diabetes tend to have higher insulin levels compared to those without diabetes. 

Using this information, we can generate a dictionary that includes typical Insulin values for the target classes "yes" (indicating the person has diabetes) and "no" (indicating the person does not have diabetes):

```json
{
	"yes": [30.0, 35.0, 40.0, 45.0, 50.0],
	"no": [5.0, 10.0, 15.0, 20.0, 25.0]
}
```

Please note that these values are just examples and may not represent the actual ranges for the target classes. In real-world scenarios, a more comprehensive analysis would be required to determine the appropriate ranges based on domain knowledge or statistical analysis.