Question: 2.Stephen recognizes that there are different techniques for attracting attention to advertisements, and he wants to test three of these for the sample product: all

2.Stephen recognizes that there are different techniques for attracting attention to advertisements, and he wants to test three of these for the sample product: all color, all black-and-white, and a combination. Here are the data on the attractiveness of each product on a scale from 1 to 10. Now he wants to know whether the three formats differ in their attractiveness. Do they?

Color Black-and.White Combination 10 8 7 8 W 9 W 6 N 6 9 10 10 9 6 5 6 10 10 W

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