Mathematics, 24.12.2019 03:31 kingamir
An experiment was conducted at a small supermarket for a period of 8 days on the sales of a single brand of dog food, involving three levels of shelf height: knee level, waist level, and eye level. during each day, the shelf height of the dog food was randomly changed on three different occasions. sales, in hundreds of dollars, of the dog food per day for the three shelf heights are given below. based on the data, is there a significant difference in the average daily sales of this dog food based on shelf height? use a 0.05 level of significance. shelf height knee level waist level eye level 77 88 85 82 94 85 86 93 87 78 90 81 81 91 80 86 94 79 77 90 87 81 87 93
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