$5.$ You have used the best data available and framed the best and most focused questions you could. What must you keep in mind about using averages?

Select an answer:

A$.$ Variation is often hidden by averages, regardless of how good the dataset is$.$

B $.$ Averages will provide you with the most meaningful results.

C$.$ If you have a good dataset, you can draw conclusions from summary statistics.

D$.$ Improbable outliers will be removed when you have a good dataset.