For her customer feedback score, Jess wants to average at or above an 8.0 rating. For the month of June, she received the following scores: 7, 6, 8, 7, 9, 10, 6, 6, 8 and 7. By what percent did she fall short of her goal? Pick one:
A) 4%  B) 5%  C) 8%  D) 10%  E) 2.5%
Expected minimum rating = 8   Deviation from the expected minimum rating = (-1 - 2 + 0 - 1 + 1 + 2 - 2 - 2 + 0 - 1)/10 = -2/10 = -0.2   Current rating is 0.2 less than 8.   Percentage = (0.2/8)*100= 
<gadget id="calculator">(0.2/8)*100</gadget>
<output>2.5</output>
2.5%   Answer: 2.5%
<result>E</result>
For her customer feedback score, Jess wants to average at or above an 8.0 rating. For the month of June, she received the following scores: 7, 6, 8, 7, 9, 10, 6, 6, 8 and 7. By what percent did she fall short of her goal?