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Organisation of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsOrganisation of Data6 Marks
Question
From the following frequency distribution, prepare 'less than' and 'more than’cumulative frequency distribution:
Wages (₹)
100-110
110-120
120-130
130-140
140-150
No of Workers
4
12
20
7
5
✓

Answer

Wages(₹)
No. of Workers (f)
c.f.
(less than)
c.f.
(More than)
100-110
4
4
48
110-120
12
16
44
120-130
20
36
32
130-140
7
43
12
140-150
5
48
5
 
$\Sigma\text{f}=48$
 
  

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