According to the table, during which interval did the average time spent on hold increase?
The help desk is keeping track of the number of minutes
the average caller spends on hold.
Average Time on Hold with Help Desk
Week Average Time on Hold
(Minutes)
1
7
2
5
3
3
4
2
5
3
6
5
week 1 to week 3
week 1 to week 4
week 4 to week 6
week 3 to week 5