. Do this exercise the good old-fashioned wayby hand. A famous brand-name manufacturer wants to know whether people prefer Nibbles or Wribbles. Consumers get a chance to sample each type of cracker and indicate their like or dislike on a scale from 1 to 10. Which do they like the most?

Nibbles Rating Wribbles Rating

9 4

3 7

1 6

6 8

5 7

7 7

8 8

3 6

10 7

3 8

5 9

2 8

9 7

6 3

2 6

5 7

8 6

1 5

6 5

3 6