In this statistical investigation, a businesswoman was interested in studying the duration of commuting times from her place of residence to her workplace. She recorded the following variables for 52 commuting trips: the day of the week, the commuting time (in minutes), the route that was used, and the direction of her commute. This data set is available in 'MS Excel' format (filename: commute_datasetForAssignment2.csv) and it can be accessed from the 'Assignment' module through our course homepage on 02L. The record structure of this data set is summarized as follows _-_ \" Direction (T = from residence to workplace, F: from work- lace to residence 1. [1 8 marks] The objective of this exercise is to summarize and describe data for a single categorical variable (this is an example of a univariate analysis of a categorical variable). (a) Obtain a bar chart, and pie charttor each of the variables: day of the week, route, and direction. Make sure each of your graphical summaries has a title and the axes of your graphs are clearly labeled. [12 marks] (b) What do the graphical summaries in part (a) tell you about the distributions of each of these variables? [6 marks] we\"... .n... , . A | 1 Ira 1 Mmmwu