Based on prior knowledge, here is a analysis of the relationship between the "BloodPressure" feature and the task of determining whether a person has diabetes or not:

- High blood pressure can often be a risk factor for diabetes. In individuals with diabetes, high blood pressure may be present as they are more likely to have other comorbidities such as hypertension.

- However, it is important to note that having high blood pressure does not necessarily mean a person has diabetes, as high blood pressure can also be caused by other factors.

- Conversely, individuals without diabetes can still have high or low blood pressure, as blood pressure can vary due to factors such as age, lifestyle, and other underlying health conditions.

Based on this analysis, we can create a dictionary with typical BloodPressure values for each target class:

```json
{
	"yes": [120.0, 122.5, 130.0, 135.5, 140.0],
	"no": [110.0, 115.0, 118.5, 124.0, 128.5]
}
```

Please note that these values are just examples and may not accurately represent the exact relationship between the "BloodPressure" feature and the target variable in a specific dataset.