A local insurance agent was concerned that he might lose customers to online discount insurance sites. To investigate, he randomly selected profiles (type of car, coverage, driving record, etc.) for 10 of his clients and checked online price quotes for their policies. The comparisons are shown in the table.

Identify an appropriate nonparametric method to compare the two sets of prices and complete the test.

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Local Online 568 391 872 602 451 488 1229 903 605 677 1021 1270 783 703 844 789 907 1008 712 702 PriceDiff 270 326 -249 -101