EconomicsClass 11Use of Statistical Tools

Use of Statistical Tools | Class 11 Economics Notes

By ConceptScroll Team · Published on 17 July 2026 · 2 min read

Use of Statistical Tools – this guide gives you a concise, exam-ready overview of Use of Statistical Tools from Class 11 Economics, written by ConceptScroll editors and reviewed against the latest NCERT textbook.

GLOSSARY OF STATISTICAL TERMS

This section provides definitions of key statistical and economic terms used in the chapter and related studies. Terms include 'Analysis' (understanding economic problems), 'Assumed Mean' (approximate value for simplifying calculations), 'Attribute' (qualitative characteristic), 'Bimodal Distribution' (distribution with two modes), 'Census Method' (data collection from entire population), 'Class Frequency' (number of observations in a class), 'Consumer' (one who buys goods for personal needs), 'Continuous Variable' (quantitative variable with any numerical value), 'Decile' (partition dividing data into ten equal parts), 'Discrete Variable' (quantitative variable with finite jumps), 'Economics' (study of resource allocation and distribution), 'Enumerator' (data collector), 'Frequency Distribution' (classification of data into classes and frequencies), 'Qualitative Data' (data expressed in qualities), 'Quantitative Data' (numerical data), 'Questionnaire' (list of questions for data collection), 'Random Sampling' (sampling method giving equal chance to all), 'Range' (difference between max and min values), 'Statistics' (methods of data collection and analysis), 'Variable' (quantity measuring an attribute), and many others. This glossary aids students in understanding technical terms essential for statistical analysis and economic studies.

📊 Diagram: No diagrams; this section is textual definitions.

🧪 Activity: Students are encouraged to familiarize themselves with these terms for better comprehension.

🔗 Connection: Prepares students for Appendix B and further statistical applications.

Frequently asked questions

Which of the following is the first step in designing a statistical project according to the chapter 'Use of Statistical Tools'?

Identifying a problem or an area of study

What is the importance of choosing an appropriate target group in a statistical project?

Choosing an appropriate target group is important because it helps in framing relevant questions for the questionnaire. For example, if the project is about cars, the target group would be middle and higher income groups. This ensures that the data collected is relevant and useful for the study.

Which of the following methods is NOT a primary method of data collection?

Using data from government reports

Explain the difference between primary and secondary data with an example related to economic studies.

Primary data is first-hand data collected directly by the researcher, for example, conducting a survey on consumer preferences for toothpaste. Secondary data is data collected by someone else, such as using government census reports or research papers for studying literacy rates.

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