Welcome to the Tableau forums. It's very hard to assist without a workbook or at least a few screen shots to show what is being attempted. By clicking on "advanced editor" when submitting a post, a option for including a file will appear.
The following Knowledge Base article may provide workarounds for helping:
In addition, there is a great article written by Steve Wexler located here: 2) Visualizing Survey Data » Data Revelations that I highly recommend when utilizing survey data with Tableau.
I hope this helps