Quantitative aptitude problem

CPT 16852 views 2 replies

1460 Points Joined August 2009

in a frequency distribution,the mid value of class is 15 & the class interval length is 4.the lower limit of class is

a).13 b).14

c).12 d).11

Replies (2)

student-cpt

427 Points Joined April 2012

If the interval is 13-17 the length of the intervalis 4 and midpoint is 15

490 Points Joined July 2010

Here is the lengthy solution :

Lower limit = x

Higher limit = y

Now solve these two equations -

(x+y)/2 = 15 , &,

y - x = 4

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