Three brands of microwave dinners were advertised as low in sodium. Samples of the three different brands show the following milligrams of sodium. At α = 0.05, is there a difference in the mount of sodium among the brands? Do not assume normality
MethodI: 24 29 27 32 25 27 28 23 31 37 28 22 28 31 34
MethodII: 35
40 44 33 26 31 29 34 31 38 33 42