A lot of the questions were multiple choice, yet you're using pie charts with the percentages adding up to 100 -- presumably by just adding all the responses together, and then dividing each one by the total.

This is wrong. The way to go would be to take the number of *respondents*, take that to be 100%, and for each available option, look at what percentage of the respondents selected it. The results could be displayed in a bar chart which goes from 0 to 100, for example.

This is wrong. The way to go would be to take the number of *respondents*, take that to be 100%, and for each available option, look at what percentage of the respondents selected it. The results could be displayed in a bar chart which goes from 0 to 100, for example.

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