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?
x
(note: a negative difference indicates the call is shorter than the average.)
x
x
difference between call time and
company average call time
(negative values indicate calls shorter
than company average.)
4.79
+
+
+
minutes
0.68
call 4
a22