Statistical Representation of DataPYQ Sept 25Question 4166 of 295
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A bar chart can be drawn for the data having numbers on

Options

AStudents of various disciplines
BPersons of different age groups
CSales of a commodity over a year
DTemperature recorded during a month.
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Correct Answer

✅ Option a — Students of various disciplines

All Options:

  • AStudents of various disciplines
  • BPersons of different age groups
  • CSales of a commodity over a year
  • DTemperature recorded during a month.

Detailed Solution & Explanation

Let us analyze the best application of a bar chart:
1. **Bar Chart**: A bar chart is a diagrammatic representation used primarily for qualitative, categorical, or discrete variables where each category can be represented by a distinct bar. The length of the bar is proportional to the value it represents.
2. **Analysis of options**:
- **Students of various disciplines**: Disciplines (such as Science, Commerce, Arts) are distinct qualitative categories. A bar chart is the most appropriate diagram to compare the number of students in these categories.
- **Persons of different age groups**: Age groups are continuous variables grouped into intervals, for which a histogram is more appropriate.
- **Sales of a commodity over a year**: This is time-series data, for which a line diagram (historigram) is usually preferred.
- **Temperature recorded during a month**: This is also time-series data, best represented by a line graph.
Therefore, a bar chart is most suitable for displaying the number of students of various disciplines.
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 Syllabus

Exam Strategy Tip

This topic carries 2-4 Marks weightage. Focus on understanding core concepts rather than memorizing.

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