Histogram can be drawn when
Options
AClass interval are equal
BClass interval are unequal
CFrequency of class interval are unequal
DNone of these
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Statistical Representation of DataMCQPYQ June 22Question 2699 of 295
All Questions Correct Answer
✅ Option d — None of these
All Options:
- AClass interval are equal
- BClass interval are unequal
- CFrequency of class interval are unequal
- DNone of these
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Detailed Solution & Explanation
A histogram is a graphical representation of a grouped frequency distribution. A histogram can be constructed under multiple scenarios:
1. **Equal Class Intervals**: The height of each rectangle is directly proportional to its class frequency, since all class lengths are identical.
2. **Unequal Class Intervals**: The height of each rectangle must be adjusted to represent the frequency density (class frequency divided by class length) so that the area of the rectangle is proportional to the class frequency.
Because a histogram is versatile and can be drawn for *both* equal class intervals (Option A) and unequal class intervals (Option B), neither option on its own fully describes the general applicability of a histogram. Therefore, selecting either A or B exclusively is incomplete, making **None of these** the most appropriate and standard selection in these examination formats.
Hence, **Option D** 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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