A net promoter score survey was given to users of an Internet site following an on-line purchase.

Question:

A net promoter score survey was given to users of an Internet site following an on-line purchase. Here are the results of the survey:
8…………………………………… 7
9…………………………………… 1
4…………………………………… 7
2…………………………………… 5
6…………………………………… 9
3…………………………………… 8
5…………………………………… 1
2…………………………………… 5
3…………………………………… 9
Compute the NPS for the Internet site and make a recommendation to management.