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Sampling Methods

Gujarat Board · Class 11 · Statistics

Quick revision notes for Sampling Methods — Gujarat Board Class 11 Statistics. Key concepts, formulas, and definitions for last-minute revision.

42 questions28 flashcards5 concepts

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Key Topics to Revise

1

Population and Sample - Basic Concepts

  • Population is the complete set of all units or items under study
  • Sample is a subset of units selected from the population based on definite criteria
  • Sample with replacement: Each selected unit is returned to population before next selection
2

Need for Sampling and Characteristics of Ideal Sample

  • Sampling is needed when population size is very large
  • Required when units are spread over wide geographical area
  • Essential when inspection is destructive in nature
3

Simple Random Sampling

  • Each unit has equal chance of selection
  • Units are selected independent of each other
  • Population treated as single composite unit
4

Stratified Random Sampling

  • Used for heterogeneous populations
  • Population divided into homogeneous strata
  • Random sample drawn from each stratum independently

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Full Notes

Key Concepts

Population refers to the complete setPopulation inquiry (census survey) collects dataEvery unit in the population hasPopulation is divided into homogeneous groupsFirst unit is randomly selected

Frequently Asked Questions

What are the important topics in Sampling Methods for Gujarat Board Class 11 Statistics?
Sampling Methods covers several key topics that are frequently asked in Gujarat Board 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 Sampling Methods — Gujarat Board Class 11 Statistics?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

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

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