Question

# A consumer advocacy group feels that Walmart provides a less safe shopping environment than Target. To...

A consumer advocacy group feels that Walmart provides a less safe shopping environment than Target. To try to prove their point, they randomly selected 24 Walmart stores and found the annual number of crime reports filed for these stores. Each of these Walmart stores was then paired with a Target store within a 10 mile radius, and the annual crime reports for the associated Target stores were also recorded. The data is shown below. Test to to see if the mean number of crime incidents at Walmart stores is significantly larger than the mean number of crime incidents at Target stores. Please note the data shown below is not real, but if you would like to see the real example, check out walmartcrimereport.com. Unfortunately, the real data was collected in a way that was not fair to Walmart. Assume normality.

 Walmart Target 713 767 459 547 874 889 861 906 398 363 949 996 776 740 581 455 633 656 864 927 816 885 427 399 882 852 806 810 1213 1170 793 848 727 682 1064 1071 701 660 826 787 534 496 922 930 572 520 918 863

What is the test statistic? Give answer to four decimal places.

I tried 0.0629 and it's wrong

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