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SECTION B: CALCULATION QUESTIONS COMPULSORY (30 MARKS) 2.1 The official from Education department has recorded the amount of textbooks delivered to each school in preparation for final exams. After the final exams were written, the official records the number of passes at each school. The results are given in the table below. X (Number of 1 2 4 5 6 8 10 Textbooks Delivered) Y (Number of Passes at 2 3 4 7 12 10 7 each School) 2.1.1 Find Pearson's correlation coefficient(r) between the textbooks delivered and number of exam passes per each school. (5) 2.1.2 Calculate the coefficient of determination