Collection of Data
Gujarat Board · Class 11 · Statistics
Summary of Collection of Data for Gujarat Board Class 11 Statistics. Key concepts, important points, and chapter overview.
Overview
Data collection is the foundation of statistical analysis and plays a crucial role in making informed decisions in various fields. This chapter explores the historical development of statistics, different types of data, and various methods used to collect reliable and accurate information for statis
Key Concepts
Statistics is the science that deals
Statistics is the science that deals with collection, analysis, and interpretation of numerical data. The term originated from the German word 'Statis
Qualitative data represents non
Qualitative data represents non-numerical characteristics or attributes (like gender, education level, religion) that can be observed but not measured
Data originally collected by authorized agencies
Data originally collected by authorized agencies or investigators for the first time for a specific purpose. Examples include NSSO surveys, population
Data that was previously collected by
Data that was previously collected by someone else and is being reused by another investigator. It can be from published sources (government publicati
The investigator or enumerator personally visits
The investigator or enumerator personally visits the field and collects information directly from respondents through face-to-face interviews. This me
Learning Objectives
- Understand the origin and growth of statistics, including Indian contributions
- Distinguish between qualitative and quantitative data with examples
- Differentiate between primary and secondary data sources
- Learn various methods of collecting primary data including direct inquiry, indirect inquiry, and questionnaire methods
- Understand the characteristics of an ideal questionnaire
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Collection of Data 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.
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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