16 3? 15 15 19 13 18 23 39 3B 39 3? 15 1? 13 1? 15 &3 1E 19 22 29 brand level lion lion lion lion lion lion lion lion puff puff puff puff puff puff puff puff mart mart mart mart mart mart mart mart medium medium medium medium high high high high medium medium medium medium high high high high medium medium medium medium high high high high Time Order Brand Level Amount of Time(seconds) Food Lion Medium 16 8 37 14 15 19 16 1 Food Lion High 19 11 18 18 18 23 23 3 Jet Puff Medium 39 10 38 17 39 20 37 6 Jet Puff High 16 9 17 15 18 21 17 4 WalMart Medium 15 12 44 16 44 22 43 5 WalMart High 16 7 19 13 22 24 201. using full ANOVA model, find MSE (55.5 or 3.927) 2. Is the interaction effect siginificant at 0.05 level of significance? (yes or no) 3. Based on 95% Turkey pairwise comparison intervals, what pairs show a siginificant difference if you compare the effect of brand fixing the heating level at medium? a.lion vs mart, and lion vs puff b. only lion vs mart c. only lion vs puff d. only mart vs puff e. all the three pairs 4. Based on 95% Turkey pairwise comparisons, if you comapre the effect of heaitng while keeping the brand at a fixed level, which of the following statments is true? a. The effect of heating level is siginificant while the factor brand is fixed at any level. b. The effect of heating level is sigifnicant while the factor brand is fixed at lion or puff. c. The effect of heating level is sigifnicant while the factor brand is fixed at mart or puff. d. The effect of heating level is significant only when the factor brand is fixed at puff