There are four McBurger restaurants in the Columbus, Georgia area. The numbers of burgers sold at the respective restaurants for each of the last 6 weeks are shown below. At the 0.05 significance level, is there a difference in the mean number sold among the four restaurants when the factor of week is considered?
Restaurant Week Metro Interstate University River
1 124 160 320 190
2 234 220 340 230
3 430 290 290 240
4 105 245 310 170
5 240 205 280 180
6 310 260 270 205
Outline the six-step hypothesis process to determine if there is a difference in the mean number sold among the four restaurants when the factor of week is considered. Use the F distribution and Statistics.