3-13. Toys \"R\" Us, Inc., is the leading store for children's toys and other play material. The company's financial ofcer is determining the previous month's sales revenues. The following data are a selection of 30 outlets' sales revenue (in $ thousands) record: a) Compute the mean, median, and mode for these data. b) Based on the result of part a, indicate whether the shape of the distribution is symmetric or skewed. c) Construct a box and whisker plot for the sample data. Compare it with your answer to part b. Discuss your findings. 25 46 33 35 18 2"? 37 40 28 38 3'? 41 15 19 36 32 35 21 3|] 3'? 26 33 31 4] 29 37 2] 44 19 22