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Question 5: a) What is Data aggregation? (2 points) b) Apply data aggregation on the data shown below: (2 points) Student ID Course ID Grades

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Question 5: a) What is Data aggregation? (2 points) b) Apply data aggregation on the data shown below: (2 points) Student ID Course ID Grades 2013441 2013441 2013441 2013441 2013540 2013540 2014448 2014448 2014448 ITBP109 ITBP219 ITBP319 ITBP315 ITBP109 ITBP219 ITBP315 ITBP109 ITBP219 85 90 88 92 91 92 78 87 66

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