A Quality Analyst at a pizza store wanted to make sure every pizza is “perfect.” He looked at the last eight pizzas that

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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 8 2 5
3 12 4 4 5 10 6 5 7 6 8 9 What is the standard deviation of the
number of defects per pizza? 2.98 2.74 None of the other choices
are correct 2.71 2.83