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Question 2 x 11 - 14 12 15-18 19-22 23-26 27-30 31 -34 35 -38 13 22 16 31 15 = 2980, = 79942

Question 2 x 11 - 14 12 15-18 19-22 23-26 27-30 31 -34 35 -38 13 22 16 31 15 = 2980, = 79942 a) Estimate the value of sample mean, median and standard deviation. (8 marks) b) Find the value of Pearson Coefficient of Skewness. Hence, describe the type of distribution for data set. (4 marks)

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