Q17 ch-15 Q17 ch-15 Find the mean variance of the Collowing data 1000 0.10 20-30 Classes li'requcncy 5 8 30-40 16 40-50 6 This question has not been answered yet! Don't worry! You can check out similar questions with solutions below Q17 ch-15 solve Q17 , ch circumference and area of circle ch-15 depreciation practical Q+AQ16 ch-15 solve Q19 ch-15 solve
