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25-05-2023
Mathematics

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. The time taken (in minute) to answer a Statistics question is given as follows Time taken 35 - 37 38 - 40 41 - 43 44 - 46 47 49 50 52 (minutes) Number of 6 15 27 21 20 10 Students Calculate (a) mean; (2 marks) (b) median; (3 marks) (c) mode; (3 marks) (d) variance; (3 marks) (e) standard deviation; (1 mark) (f) Pearson's coefficient of skewness and interpret your finding (3 marks)

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