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3. Consider the frequency distribution given below pertaining to a particular continuous random variable (X). X 0 - 10 10 - 20 f 16

3. Consider the frequency distribution given below pertaining to a particular continuous random variable (X). X 0 - 10 10 - 20 f 16 10 9 10 5 20-30 30 - 40 40 - 60 a) What is the modified standard deviation? (5 pts) b) Compute the third standard moment? (5 pts) c) Calculate the fourth standard moment? (5 pts) d) Evaluate its shape in terms of skewness and kurtosis. (5 pts)

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