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In a frequency polygon drawn for a Class 9 marks distribution, the area enclosed by the polygon and the -axis is approximately equal to:

Class 9Frequency PolygonsStatistics and Probability
  • AThe area of the corresponding histogram
  • BThe total number of classes
  • CThe largest frequency
  • DThe mean of the data

Step-by-Step Solution

The frequency polygon encloses (about) the same total area as the histogram it represents, since area lost on one side of a bar is balanced by area gained on the other.
Answer: A) The area of the corresponding histogram

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