Suppose a bank branch, located in a commercial district, is concerned with its service during the noon-to-1 pm lunch period. The waiting times, in minutes, collected from a sample of 15 customers during this hour, are listed below. Complete parts (a) through (d) below. 4.24 5.46 3.02 5.15 4.89 2.21 3.37 3.09 4.52 6.19 0.32 5.43 6.41 6.37 3.57 . . .) a. Compute the mean and median. The mean is 4.28 . (Round to two decimal places as needed.) The median is 4.52 . (Type an integer or a decimal.) b. Compute the variance, standard deviation, range, coefficient of variation, and Z scores. Are there any outliers? Explain. The variance is (Round to three decimal places as needed.)The accompanying table contains the overall download and upload speeds in mops for nine carriers in the United K States. Click the icon to view the data. a. Compute the covariance between download speed and upload speed. b. Compute the coefficient of correlation between download speed and upload speed. c. Based on (a) and (b), what conclusions can you reach about the relationship between download speed and upload speed? a. Compute the covariance between download speed and upload speed. cov(X, Y) = (Round to three decimal places as needed.) - X Data table Carrier Download Speed Upload Speed Carrier 1 23.2 14.1 Carrier 2 22.7 13.9 Carrier 3 20.5 9.2 Carrier 4 16.4 11.1 Carrier 5 11.7 6.4 Carrier 6 11.3 6.1 Carrier 7 10.1 6.2 Carrier 8 7.1 3.0 Carrier 9 4.4 3.9 Print DoneThe following set of data is from a sample of n = 7. 0139841325 a. Compute the mean. median. and mode. b. Compute the range, variance, standard deviation. and coefficient of variation. 0. Compute the Z scores. Are there any outliers? d. Describe the shape of the data set. a. Select the correct choice below and. if necessary, fill in the answer box to complete your choice. v The mean is 7 . (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed) There is no solution. Select the correct choice below and, if necessary. ll in the answer box to complete your choice. V The median is 8 . (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed) There is no solution. Select the correct choice below and, if necessary. ll in the answer box to complete your choice. V The modeis 13. (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed) There is no solution. b. The range is 13 . (Type an integer or a decimal. Do not round.) The variance is E. (Type an integer or decimal rounded to two decimal places as needed.)