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UPSC CDS I 2019 Math Paper
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Question : 70
Total: 100
The following pairs relate to frequency distribution of a discrete variable and its frequency polygon. Which one of the following pairs is not correctly matched ?
[2019 CDS-I]
Base line of the polygon — X-axis
Ordinates of the vertices of the polygon - Class frequencies
Abscissa of the vertices of the polygon - Class marks of the frequency distribution
Area of the polygon — Total frequency of the distribution
Validate
Solution:
Area of frequency polygon does not represent the total frequency.
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