The best resource I know of for working with survey data and Tableau is the excellent Steve Wexler' s site 'Data Revelations'. Check it out here: http://www.datarevelations.com/category/visualizing-survey-data-and-likert-scales
Give that site and his examples a look through and then let us know if you have follow up questions. Some sample data in a packaged workbook or bit of your sample data in Excel also allows the community to get hands on and assist you. Packaged workbooks: when, why, how
I hope this helps,
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