Statistical Representation of DataMCQPYQ June 19Question 2684 of 295

Class | 0-10 | 10-20 | 20-30 | 30-40 | 40-50Freq. | 4 | 6 | 20 | 8 | 3For the class 20-30. Cumulative frequency is:

A10

B26

C30

D41

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Correct Answer

✅ Option c — 30

To find the cumulative frequency of the class interval

\displaystyle 20-30

from the given frequency distribution, we sum the frequencies of all class intervals preceding it along with the frequency of the class interval

\displaystyle 20-30

itself. The given frequencies are

\displaystyle 4

for

\displaystyle 0-10

\displaystyle 6

for

\displaystyle 10-20

, and

\displaystyle 20

for

\displaystyle 20-30

. Therefore, the cumulative frequency for the class

\displaystyle 20-30

is calculated as

\displaystyle 4 + 6 + 20 = 30

. Hence, **Option C** is the correct answer.

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.

Exam Strategy Tip

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

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