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Presentation of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsPresentation of Data6 Marks
Question
Draw a frequency polygon using mid-values from the following table:
Marks
0-10
10-20
20-30
30-40
40-50
50-60
No. of Students
5
12
15
22
14
4
✓

Answer

Marks
Mid-value
f
0-10
5
5
10-20
15
12
20-30
25
15
30-40
35
22
40-50
45
14
50-60
55
4

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