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At two compartive car repair shops a random selection of 8 cars is taken

At two compartive car repair shops a random selection of 8 cars is taken-example-1
User Ozn
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The correct answer is C. The mean is found by adding all the numbers then dividing them by however many numbers there are. So for shop b: 5926/8=740.75
For shop a: 5845/8=730.63
Shop a has a lower mean than shop b
User Maplemaple
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