Five people are asked to rate the taste of 3 brands of coffe

Five people are asked to rate the taste of 3 brands of coffee on a 1(poor) to 5(excellent) scale. The results are:

Brand A: 3 3 2 4 2

Brand B: 5 4 3 5 3

Brand C: 4 5 3 5 5

Can we conclude wth 95% certainty that there is significant difference in mean ratings between the three brands? Use ANOVA

Solution

Five people are asked to rate the taste of 3 brands of coffee on a 1(poor) to 5(excellent) scale. The results are: Brand A: 3 3 2 4 2 Brand B: 5 4 3 5 3 Brand C

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