Problems with a telephone line that prevented a customer from receiving or making calls are disconcerting to both the customer and the telephone company. These problems can be of 2 types: those that are located inside a central office and those located on lines between the central office and the customer's equipment. The following data represent samples of 20 problems reported to 2 different offices of a telephone company and the time to dear those problems (in minutes).

Central Office 1 Time to clear problems (minutes) 2.52 0.78 0.93 1.02 1.48 1.60 1.75 2.97 3.93 5.45 0.53 0.80 0.97 1.05 1.48 1.60 2.85 3.10 4.15 6.32 Time to fix problem (min) Mean 2.264 Standard Error 0.365425059 Median 1,6 Mode 1.48 Standard Deviation 1.634230545 Sample Variance 2.670709474 Kurtosis 0.766427637 Skewness 1.205788019 Range 5.79 Minimum 0.53 Maximum 6.32 Sum 45.28 Count 20 Q1 1.0075 Q3 3.0025 IQR 1.995\f