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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: urgent plz......ans. quickly (from ch- statistics)
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[Post New]26 Dec 2007 13:01:53 IST
    Subject: urgent plz......ans. quickly (from ch- statistics)
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nishant_delhi (0)

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Q. Find the mean deviation for the following data :
 

    
[Post New]26 Dec 2007 17:14:59 IST
    Subject: Re:urgent plz......ans. quickly (from ch- statistics)
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feynmann (2236)

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c. f. stands for cumulative frequency
 
Its formula is  cf( n ) =  cf( n - 1 )  + f ( n)
with cf( 1 )  = f(1 )
 
f (n )stands for corresponding freq for the n th observation
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