Based on prior knowledge, blood glucose levels can be used to determine if an individual falls into the senior or non-senior age group. Generally, higher blood glucose levels are associated with senior individuals, while lower blood glucose levels are associated with non-senior individuals.

To create the dictionary with specific details, we will analyze the relationship between the LBXGLU feature and the age group target variable:

- Adult: Typically, non-senior individuals have blood glucose levels in the range of 70-100 mg/dL. Therefore, we can consider the following typical LBXGLU values for the 'Adult' class: [70.0, 80.0, 90.0, 95.0, 100.0].

- Senior: Senior individuals tend to have higher blood glucose levels compared to non-seniors. Considering this, we can consider the following typical LBXGLU values for the 'Senior' class: [120.0, 130.0, 140.0, 150.0, 160.0].

Based on this analysis, the dictionary will look as follows:

```json
{
	"Adult": [70.0, 80.0, 90.0, 95.0, 100.0],
	"Senior": [120.0, 130.0, 140.0, 150.0, 160.0]
}
```