Question: In a completely randomized experimental design, three brands of paper towels were tested or their ability to absorb water. Equal-size towels were used, with four sections of towels tested per brand. The absorbency rating data follow. At a .05 level of significance, does there appear to be a difference in the ability of the brands to absorb water?

Brand

x y z

91 99 83

100 96 88

88 94 89

89 99 76

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Deliverable: Word Document