To analyze the relationship between the feature ROE and the target variable of chronic heart failure, we need to consider prior knowledge regarding typical ranges of ROE values for patients with and without chronic heart failure.

Prior knowledge about ROE values for chronic heart failure patients is helpful in determining the appropriate ranges. Although there is no strict cutoff, an elevated ROE is often considered when it exceeds 15-20 mm/hour for men and 20-30 mm/hour for women. Values below these ranges are typically considered normal.

Based on this knowledge, we can proceed with the analysis and create the requested dictionary.

```json
{
	"no": [0.1, 3.5, 5.2, 7.8, 10.3],
	"yes": [22.1, 25.6, 27.9, 30.5, 35.2]
}
```

In the above dictionary, the values `[0.1, 3.5, 5.2, 7.8, 10.3]` represent 5 typical ROE values for patients without chronic heart failure (target class: "no"). On the other hand, the values `[22.1, 25.6, 27.9, 30.5, 35.2]` represent 5 typical ROE values for patients with chronic heart failure (target class: "yes"). These values are based on the prior knowledge and are provided as float values in the dictionary.

Please note that these ranges are approximate and may vary depending on specific medical guidelines or studies. It is always recommended to consult domain experts or medical professionals for accurate interpretation of the data.