11.16 a beer distributor is comparing quarterly sales of coors

     11.16 A   beer distributor is comparing quarterly sales of Coors Light (number of   six-packs sold) at three convenience stores. Does this sample prove a   significant difference in treatment means? BeerSales Store 1 Store 2 Store 3   Qtr 1 1,521 1,298 1,708 Qtr 2 1,396 1,492 1,382 Qtr 3 1,178 1,052 1,132 Qtr 4   1,730 1,659 1,851