Stephen recognize 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	4	9
8	5	8
7	4	8
8	3	9
9	3	8
6	4	7
7	5	8
6	6	9
6	5	9
7	7	10
8	6	10
7	5	9
6	4	8
5	5	9
6	4	10
7	4	10
7	3	8