6. Calculate coefficient of skewness based on quartiles and median from the following data : (adi Frequency Variable Variable Frequency 0-10 12 40-50 e022001 15011 10-20 O 16 50-60 e8 26 ee 38 20-30 60-70 06140 PALR 30-40 70-80 131. St

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A: Solution: