Depending on the reasons, you may choose to ignore some data entries. However if you decide to ignore some data entries, you'll need to explain in your conclusion why you chose to ignore them. We need to find a way to record these averages. You need to keep this in mind when looking at the data especially when you use measures of statistics. Now that you have averaged each of the combinations, you need to sort the data entries again.
Many people feel that graphs help make a clearer picture of the data.
You're invited to make a graph on your own. General help in making graphs is available. Ideally at this point, you should have the answer to the research question. However, a good researcher looks at the data carefully before jumping to a conclusion. A good researcher will go back and conduct more tests clear up any confusion or answer any questions.