POSSIBLE POINTS. 5 Your company takes orders over the phone. The company's average call time is 4.6 minutes. The graph below shows 4 calls and the difference between the
call time and the company's average call time. For these 4 calls, what is the mean difference between the call times and the company's average call time,
rounded to the nearest 0.1 minute?
(Note: A negative difference indicates the call is shorter than the average.)
a
Difference between Call Time and
Company Average Call Time
(Negative values indicate calls shorter
than company average.)
5 -
4.79
3
5
Call 3
2
0.68
Call 4
Call 2
Call 1
-1.55
-2.32
O-23
O 0.4
O 0.4
O 1.6
O 23