A Quality Analyst at a pizza store wanted to make sure every pizza is "perfect." He looked at the last eight pizzas that were ordered and were ready to be delivered. He counted all the defects per pizza. A defect can be: too little cheese, burnt crust, toppings not well distributed, etc. Pizza Total Defectives 1 2 2 5 3 3 4 4 5 5 6 2 7 0 8 3 What is the sample average of defects per pizza