Easy Connect, Inc., provides access to computers for business uses. The manager monitors computer use to make sure that the number of computers is sufficient to meet the needs of the customers. The manager collected data on a sample of customers and tracked the times the customers started working at a computer until they were finished. The elapsed times, in minutes, are shown as follows:

40 42 18 32 43 35 11 39 36 37 8 34 34 50 20 39 31 75 33 17 Compute appropriate measures of the center and variation to describe the time customers spend on the computer.