```json
{
    "yes": [83.0, 86.0, 84.0, 78.0, 80.0],
    "no": [74.0, 70.0, 68.0, 76.0, 72.0]
}
```
Explanation:
Based on prior knowledge, diastolic blood pressure values are typically measured in mm Hg and are a good indicator of overall blood pressure. High diastolic blood pressure can be associated with health issues like hypertension, which is a risk factor for diabetes. 

Analyzing the relationship between BloodPressure and the task of determining if a person has diabetes requires additional data. The dictionary contains typical BloodPressure values for each target class, 'yes' and 'no'. These values are chosen to represent a range of possible diastolic blood pressure measurements for individuals with and without diabetes.

For the 'yes' class, the typical BloodPressure values are [83.0, 86.0, 84.0, 78.0, 80.0]. These values reflect moderately high diastolic blood pressure levels, which could be indicative of hypertension, a common comorbidity in individuals with diabetes.

For the 'no' class, the typical BloodPressure values are [74.0, 70.0, 68.0, 76.0, 72.0]. These values represent lower to normal diastolic blood pressure levels, which are generally expected in individuals without diabetes.

It is important to note that these values are based on general knowledge and common trends, and more specific analysis with a larger dataset may provide more accurate insights.