Australia's Exports and Imports of Services by Selected Regions Exports ($m) Imports ($m) Country 2017 2018 2017 2018 Africa 1,255 1,308 1,398 1,618 Americas 12,653 14,139 19,831 21,355 Asia 48,164 53,358 33,604 37,677 Europe 13,374 14,261 23,661 25,714 Oceania and Antartica 6,075 6,453 8,198 9,135 Other 3,457 3,266 2,581 2,284 Source: Australian Government: Department of Foreign Affairs and Trade Composition of Trade Australia 2018QUESTION 3 3 marks A university lecturer at a large public university took a random sample of 53 students from his first-year Economics course. He wishes to investigate the relation between the number of hours students spend on casual employment per week and marks attained in the most recent assessment item. For each student, the number of hours worked per week and marks attained were recorded. The data are stored in 'HoursMark53' worksheet in the xls. data file attached. ~ In addition, students were also asked to respond to survey questions concerning other variables (e.g. major of study chosen, suburb where student lives, country of origin, etc). The lecturer categorised the data collected on the variable major of study into nine study majors, and calculated the frequencies as presented in the table below.~ Major of Study Category Frequency ~ Accounting 100 Data Analytics Economics L Information System L Finances Hotel Management Management Marketing L L Tourism Using the information presented in the table above, answer the following questions. ~ (a) Which graphical technique would you use for making comparison in the number of students in each major? Explain your reasoning in selecting this graphical chart. Using Excel, construct and present the chart. 1.5 marks (b) Which graphical technique would you use for making comparison of the proportion of the number of students in each major? Explain your reasoning in selecting this graphical chart. Using Excel, construct and present the chart. 1.5 marks