Based on prior knowledge, I don't have any specific information about the feature LBXGLT and its relationship with the target variable. However, I can assume that LBXGLT might represent some numeric measurements or scores that would vary for different age groups.

To analyze the relationship between the feature LBXGLT and the target variable (age group), we can start by dividing the data into two groups: "Adult" and "Senior" based on the target variable. Then we can examine the range of LBXGLT values within each group.

Here is the dictionary providing typical LBXGLT values for each target class:

```json
{
	"Adult": [34.2, 42.9, 38.5, 43.7, 39.1],
	"Senior": [31.8, 29.6, 27.3, 32.4, 28.9]
}
```

Please note that these values are assumed and do not represent any specific data. You will need to analyze the actual data to provide more accurate and reliable information about the relationship between LBXGLT and the age group.