Statistical Representation of DataMCQMTP Nov 18Question 2723 of 295

Mid values are also called

Options

ALower limit

BUpper limit

CClass mark

DNone

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Correct Answer

✅ Option c — Class mark

All Options:

ALower limit
BUpper limit
CClass mark
DNone

Detailed Solution & Explanation

In grouped frequency distributions, the range of data is divided into intervals called classes. Each class is defined by a lower limit and an upper limit. The mid-value (or midpoint) of a class interval is calculated by taking the arithmetic mean of its lower and upper limits:

\text{Mid-value} = \frac{\text{Lower Limit} + \text{Upper Limit}}{2}

In statistical terminology, this mid-value is also called the **Class mark**. It represents the central value of the class and is used as the single representative value for all observations falling within that class when calculating statistical measures like the mean, variance, or when plotting frequency polygons. This matches Option C. Hence, **Option C** 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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