Plugin that will output submitted form data for user? [closed]

Gravity Forms is by far the best form plugin available for WordPress and it will allow you to easily do what you are looking for.

http://gravityforms.com

Here is an example of how to do it:

Set the confirmation to show which checkboxes were checked using the merge tags:
Set the confirmation to show which checkboxes were checked using the merge tags
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This form can be placed anywhere in a page and the confirmation function loads right after the form submittal.