To analyze the relationship between the feature ALT_BLOOD and the presence of chronic heart failure, we can use our prior knowledge about the typical ranges of ALT_BLOOD values for patients with and without chronic heart failure.

Since the feature ALT_BLOOD represents the Serum AlAT content, which is related to liver function, we can infer that higher values of ALT_BLOOD might indicate liver damage. Chronic heart failure is often associated with liver dysfunction, so it is possible that patients with chronic heart failure might have higher ALT_BLOOD values.

To create the dictionary with the typical ALT_BLOOD values for each target class, we can analyze the distribution of ALT_BLOOD values in the dataset and identify the range of values that are more frequent for patients with and without chronic heart failure.

Here is an example of a dictionary with typical ALT_BLOOD values for each target class:

```json
{
	"no": [15.5, 18.7, 12.3, 17.6, 16.2],  
	"yes": [27.4, 29.8, 24.1, 26.9, 28.3]
}
```

In this example, we selected values that are representative of the range of ALT_BLOOD values for each target class. The specific values might vary depending on the dataset and the distribution of the ALT_BLOOD feature.

Please note that this is a hypothetical example, and further analysis and consideration of additional factors would be necessary to draw more definitive conclusions about the relationship between ALT_BLOOD and chronic heart failure.