11.16 A beer distributor is comparing quarterly sales of Coors Light (number of six-packs sold) at three convenience stores ...

       (a) State the hypotheses. If you are viewing this data   set as a randomized block, which is the blocking factor, and why? (b) Use   Excel’s Tools > Data Analysis (or MegaStat or MINITAB) to perform the   two-factor ANOVA without replication, using α = .05. (c) State your   conclusions about the treatment means. (d) Interpret the p-values carefully.   (e) Include a plot of the data for each group if you are using MegaStat, or   individual value plots if you are using MINITAB. What do the   plots   show?         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?        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