A company provides access to computers for business uses. The manager monitors computer use to make sure that the number of computers is sufcient 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 nished. The elapsed times, in minutes, are shown below. Compute appropriate measures of the center and variation to describe the time customers spend on the computer. 39 42 19 34 45 33 1 1 39 34 39 Q ? 33 33 51 21 39 33 3'6 31 16 What is the median of the data? min {Type an integer or decimal rounded to two decimal places as needed.) What is the range of the data? min {Type an integer or decimal rounded to two decimal places as needed.) What is the interquarlile range of the data? min {Type an integer or decimal rounded to two decimal places as needed.) What is the mean of the data? min {Type an integer or decimal rounded to two decimal places as needed.) What is the variance of the data? min2 [Type an integer or decimal rounded to two decimal places as needed.) What is the standard deviation of the data? min {Type an integer or decimal rounded to two decimal places as needed.)