Practice SAMPLING AND NON-SAMPLING ERRORS - 2.7 | 2. Collection of Data | CBSE 11 Statistics for Economics
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SAMPLING AND NON-SAMPLING ERRORS

2.7 - SAMPLING AND NON-SAMPLING ERRORS

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define primary data.

💡 Hint: Think about how this data is collected.

Question 2 Easy

What is a census?

💡 Hint: It involves complete enumeration.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is primary data?

Data collected by others
Data collected firsthand
Data that is obsolete

💡 Hint: Focus on who collects the data.

Question 2

True or False: A census collects data from only a portion of the population.

True
False

💡 Hint: Think about the purpose of a census.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Design a survey on a local community issue. List potential sampling errors and how you would mitigate them.

💡 Hint: Reflect on the population diversity.

Challenge 2 Hard

Evaluate a past census data set for its reliability. What non-sampling errors might arise from it?

💡 Hint: Consider the methodology and follow-ups.

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Reference links

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