...
Press the cog icon on the right side of each Answer Choice
This lets you add points to that answer choice
Press save
To use those points within a survey, go to the Edit Survey page and follow the steps to allocate that set of points within a specific survey.
Why are there several Sets of Points?
The same set of answer choices can have different sets of points allocated to them
This is so that you can have different types of calculation used for verdicts in different surveys, even if those surveys are reusing the same multiple choice questions