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Organisation of Data — Practice Quiz

ICSE · Class 11 · Economics

Try a 4-question quiz on Organisation of Data for ICSE Class 11 Economics: tap an answer to check it and see why. 65 questions in the full chapter test.

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Quick Quiz: Organisation of Data

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1

A frequency distribution has class intervals 0-10, 10-20, 20-30, 30-40, and 40-50 with frequencies 7, 3, 12, 13, and 2. What is the less than cumulative frequency for the class less than 40?

2

A more than cumulative frequency distribution has class frequencies 2, 12, 22, 8, and 6 for the classes 0-10, 10-20, 20-30, 30-40, and 40-50. What is the more than cumulative frequency for more than 30?

3

A continuous series uses inclusive classes 10-19, 20-29, 30-39, and 40-49. What are the exclusive classes after applying the correction factor 0.5?

4

A mid-value series has mid-values 5, 15, 25, 35, and 45. What are the class intervals after conversion to a simple continuous frequency series?

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.

+61 more questions on Organisation of Data (ICSE Class 11 Economics)

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Frequently Asked Questions

What are the important topics in Organisation of Data for ICSE Class 11 Economics?
Key topics in Organisation of Data include Classification of Data, Variables and Attributes, Methods of Quantitative Classification, Formation of Series and Class Intervals. Study these first, then practise questions on each for Class 11 exams.
How many practice questions are there for Organisation of Data?
There are 65 questions on Organisation of Data. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

Sources & Official References

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

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All ICSE Class 11 Economics Practice Quiz

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