# Question

The SmartBatt company manufactures batteries for smart phones. Listed below are numbers of defects in batches of 200 randomly selected in each of 15 consecutive days of production. What action should be taken?

12 11 14 15 9 10 12 16 8 9 15 7 17 5 18

12 11 14 15 9 10 12 16 8 9 15 7 17 5 18

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