Yes, it is expected so. For your plots, you should probably have an average window to see more clearly.
For the normalization, both possibilities have different benefits (how you did it vs how it is explained in the project description). You are expected to do as explained in the project description. In your case it is okay to keep it like that, but mention the reason in your code/report.
For the normalization, both possibilities have different benefits (how you did it vs how it is explained in the project description). You are expected to do as explained in the project description. In your case it is okay to keep it like that, but mention the reason in your code/report.
