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by step deviation method, find the sum of ll the uis
then,divide by sum of all fis in tems of k ..add the assumed mean..n multiply by height = 18..
solving for k. u get k=8
then,divide by sum of all fis in tems of k ..add the assumed mean..n multiply by height = 18..
solving for k. u get k=8
keshav130:
i know this
but why cant we get answer by direat method?
i tried but I was getting a negatuve answer
?????????
please tellll
tomorrow is my board exam
???????????
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