Series in which frequencies are continuously added corresponding to each class interval in the series:
Options
ACumulative frequency series
BFrequency
CDeviation
DMid value
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Statistical Representation of DataMCQPYQ Sep 24Question 2716 of 295
All Questions Correct Answer
✅ Option a — Cumulative frequency series
All Options:
- ACumulative frequency series
- BFrequency
- CDeviation
- DMid value
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Detailed Solution & Explanation
In a standard frequency distribution, we have the individual frequencies of observations in each class interval. If we progressively add these frequencies class by class, we get a new series called a **Cumulative frequency series**.
There are two ways of doing this addition:
1. **'Less than' cumulative frequency**: We add the frequencies from the first class interval downwards. It shows the number of observations less than or equal to the upper boundary of each class.
2. **'More than' cumulative frequency**: We add the frequencies from the last class interval upwards. It shows the number of observations greater than or equal to the lower boundary of each class.
Since this process involves continuously adding frequencies corresponding to each class interval, it forms a cumulative frequency series (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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