Dennis O'Connor
Video on how to add questions to your quiz
by Dennis OConnor - Saturday, October 20, 2012, 5:39 PM
Carol,  you create a quiz by setting up a Quiz Activity (which you've done).  And then adding the questions to the Quiz Activity. (Which is where you are stuck.)  

You've said that you have already created the questions. (A good thing.)  Now you have to add the questions (which are saved in the Question Bank) to your empty Quiz Activity Shell.

Here's  a how to video to show you the process:

I hope this solves the problems. 

Take care! Dennis