1. Do this exercise by hand. A famous brand-name manufacturer wants to know whether people prefer Nibbles or Wribbles. They 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
|