23. Main methods share by all supervised models in scikit learn? (5pts)

27. Client asks us to build a system that would monitor network behavour of the employees within the organization and would signal if there would be strange behaviour detected. What kind of ML-problem it is (5pts)? What algorithm(-s) we can use? (5pts)

29. When you know you might have some outliers in the data, what regression loss you will use?