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The British Department of Transportation studied to see if people

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The British Department of Transportation studied to see if people
avoid driving on Friday the 13th. They did a traffic count on a Friday and then again on a Friday the 13that the same two locations (“Friday the 13th,” 2013). The data for each location on the two different dates is in table #9.2.6. Estimate the mean difference in traffic count between the 6th and the 13th using a 90% level.
Table #9.2.6: Traffic Count- The graph will not copy and paste so these are the numbers
Dates———————–6th————————–13th
1990, July—————–139246———————138548
1990, July—————–134012———————132908
1991, September——-137055———————136018
1991, September——-133732———————131843
1991, December——–123552———————121641
1991, December——–121139———————118723
1992, March————-128293———————-125532
1992, March————-124631———————-120249
1992, November——–124609———————-122770
1992, November——–117584———————–117263

 
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