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In: Statistics and Probability

Part I: Soft Drink Case (randomized block ANOVA) A soft drink producer has developed four new...

Part I: Soft Drink Case (randomized block ANOVA) A soft drink producer has developed four new products with different flavors. The company wants to know whether customers have different preferences for these four products. Six persons were asked to sample taste and rate each flavor on a scale of 1- 20. The data are given in the Excel dataset “drink.xls” which is attached. Based on the data given, with a significance level of α = 0.05, conduct a formal hypothesis test to check whether there exists different preferences.

Person Flavor 1 Flavor 2 Flavor 3 Flavor 4
1 19 20 12 17
2 18 17 17 18
3 17 18 16 19
4 13 19 12 14
5 10 13 7 18
6 13 12 11 16

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