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Presentation of Data — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsPresentation of Data6 Marks
Question
Construct a frequency polygon without using histogram for the following data.
Wages (in ₹)
Number of Workers (f)
0-10
10
10-20
18
20-30
35
30-40
30
40-50
20
50-60
12
60-70
8
70-80
3
✓

Answer

To construct a frequency polygon without histogram the following values will be plotted.
Mid Value (X)
Number of Workers (f)
5
10
15
18
25
35
35
30
45
20
55
12
65
8
75
3

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