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Presentation of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsPresentation of Data6 Marks
Question
Draw less than and more than ogive (cumulative frequency curve) using the given data:
Marks Scored
10-20
20-30
30-40
40-50
No. of Students
5
10
30
5
✓

Answer

Firstly, we will convert the given data into less than and more than frequency distribution.
Marks Scored
Number of Students
c.f. (less than)
c.f. (more than)
10-20
5
5
50
20-30
10
15
45
30-40
30
45
35
40-50
5
50
5

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