A quiz can be viewed at a later date and for a certain amount of time. Two additional views need to be added to the quiz.
Step 1: Edit the quiz and select Submissions Views and Add Additional View
Step 2: Define: a name, date and time it should open, and what you want the students to see. This is just an example:
Step 3: Create a second Additional View to define the end date and time. This example shows that students can only see the results of this exam for 15 minutes.
Step 4: Summary of the two Additional views created:
When using this feature, the Default View usually shows no exam results. Here is a job aid on how to do this.