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Important Questions

Organisation of Data

ICSE · Class 11 · Economics

Most important questions from Organisation of Data for ICSE Class 11 Economics board exam 2026. MCQs, short answer, and long answer questions with marks.

65 questions40 flashcards5 concepts

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65 Questions·
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Sample Questions

1multiple choice
3 marks

A continuous series has range 80 and 8 equal classes. What is the class width?

Show answer

10

Using n × h = R, where n = 8 and R = 80, we get h = 80 / 8 = 10.

2multiple choice
3 marks

A distribution has the smallest value 15 and the largest value 82. If 7 equal classes are chosen, what is the approximate class width using Width of Class-Interval = (Largest value - Smallest value) / Number of classes desired?

Show answer

9.57

Width = (82 - 15) / 7 = 67 / 7 = 9.57 approximately.

3multiple choice
3 marks

A frequency array has values 13, 14, 15, 16, 17, 18, 19, and 20 with frequencies 5, 5, 5, 4, 3, 4, 3, and 1. What is the total frequency after adding all classes?

Show answer

30

Add all frequencies: 5 + 5 + 5 + 4 + 3 + 4 + 3 + 1 = 30.

4multiple choice
3 marks

A class interval 80-120 has midpoint 100. If a value in the class is 109, what is its error of grouping when the midpoint is used as the class value?

Show answer

9

Error of grouping is the difference between the actual value and the midpoint. Here, 109 - 100 = 9.

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Frequently Asked Questions

What are the important topics in Organisation of Data for ICSE Class 11 Economics?
Organisation of Data covers several key topics that are frequently asked in ICSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Organisation of Data — ICSE Class 11 Economics?
Understand the core concepts first, then work through the 65 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Organisation of Data?
There are 65 practice questions available for Organisation of Data. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 25 chapters — ICSE Class 11 Economics Important Questions

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