Discuss the below:
The manager of a fast-food establishment periodically monitors various aspects of its operations, including service time, i.e., the time (in seconds) between placing and receiving an order. Below are the service times for a sample of 48 recent drive-through customers.
84 78 76 95 84 101 91 78
121 99 104 95 74 87 84 96
87 109 58 91 92 72 96 109
76 79 108 72 87 67 75 69
79 111 72 76 75 86 68 74
101 87 111 103 120 57 97 86
(a) mean service time
(b) median service time
(c) variance in the service times
(d) standard deviation in the service times.
Attachment:- mean service time.rar