An electric utility tracks the response time to customer-reported outages. The following data are a random sample of 40 of the response times (in minutes) for one operating division of this utility during a single month.
80
|
110
|
105
|
115
|
102
|
104
|
104
|
89
|
86
|
97
|
84
|
100
|
94
|
128
|
77
|
96
|
86
|
98
|
125
|
96
|
106
|
84
|
85
|
87
|
105
|
97
|
80
|
106
|
110
|
87
|
104
|
100
|
127
|
99
|
103
|
102
|
97
|
94
|
109
|
93
|
a) Estimate the capability of the utility's process for responding to customer reported outage