Frequency density is used in the construction of:
Options
AHistogram
BOgive
CFrequency Polygon
DNone of these
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Statistical Representation of DataMCQMTP Nov 19Question 2730 of 295
All Questions Correct Answer
✅ Option a — Histogram
All Options:
- AHistogram
- BOgive
- CFrequency Polygon
- DNone of these
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Detailed Solution & Explanation
In a histogram, the area of each rectangle represents the frequency of the corresponding class interval.
- When class intervals are equal, the width of each bar is the same, so the height of the bar is directly proportional to its class frequency.
- However, when the class intervals are **unequal**, plotting the frequency directly as the height would distort the visual representation (making wider classes look disproportionately larger). To prevent this, we adjust the height of the bars using **Frequency Density**:
- By plotting frequency density on the vertical axis, the area of each bar remains proportional to its frequency.
Thus, frequency density is used in the construction of a Histogram. This is Option A.
Hence, **Option A** is the correct answer.
About This Chapter: Statistical Representation of Data
Paper
Paper 3: Quantitative Aptitude
Weightage
2-4 Marks
Key Topics
Data, Frequency Distribution, Graphical Representation
This chapter covers Data, Frequency Distribution, Graphical Representation and is part of Paper 3: Quantitative Aptitude in the CA Foundation exam.
View Official ICAI SyllabusExam Strategy Tip
This topic carries 2-4 Marks weightage. Focus on understanding core concepts rather than memorizing.
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