If you were a teacher and had 30 students in your December 28, 2016 By Essaypros If you were a teacher and had 30 students in your class and wanted to know the class average on the first quiz, would you use a parameter or a statistic? Why? We Deliver Top Quality On Time As Promised! Ready to get started? Just click the button to be directed to a secure page so you can enter the details of your paper.