Class 11 Economics — Chapter 8: Use of Statistical Tools

Chapter 8: Use of Statistical Tools is a chapter in Class 11 Economics (Statistics for Economics), part of the CBSE NCERT curriculum followed by over 25 million students across India. This chapter covers 6 topics including The Structure of a Statistical Project, Problem Identification and Target Group Selection, Data Collection Methods in Projects. BrainWeave provides free AI-powered explanations — by voice or text, in Hindi or English — with no signup required.

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What you'll learn

▸The Structure of a Statistical ProjectCore concept

project stepsproject designstatistical inquirysurvey method
▸Problem Identification and Target Group SelectionCore concept

problem identificationtarget grouparea of studyresearch objective
▸Data Collection Methods in ProjectsCore concept

primary datasecondary dataquestionnairesamplingdata collection
▸Data Organisation and Presentation

tabulationbar diagrampie diagramdata presentationorganisation of data
▸Analysis and Interpretation using Statistical ToolsCore concept

central tendencymeandispersionstandard deviationcorrelation
▸Drawing Conclusions and ReportingCore concept

conclusioninterpretationbibliographyproject reportsuggestions

Chapter Summary

Understand the systematic sequence of steps required to design and execute a statistical project, from identifying a problem to presenting the final conclusions.

Learn how to define a clear and specific problem for study and how to choose the appropriate target group (population) from which data will be collected.

Understand the distinction between primary and secondary data and know when to use each. This includes methods like questionnaires, interviews, and considering appropriate sampling techniques.

Learn how to process raw data by organizing it into tables (tabulation) and presenting it visually through suitable diagrams like bar diagrams and pie charts.

Understand how to apply key statistical measures learned in previous chapters, such as mean (Central Tendency), standard deviation (Dispersion), and correlation, to analyze the collected data.

Learn the final step of a project, which involves drawing meaningful conclusions from the analysis, making suggestions or predictions, and citing all sources in a bibliography.

Practice Questions from this Chapter

Tap "Get Solution" on any question to ask our AI tutor.

Explain survey steps simply. Get Solution →
Illustrate data presentation methods. Get Solution →
Describe types of statistical analysis. Get Solution →
According to the chapter, what is the very first step towards making a project? Get Solution →
Which section of a project report is used to mention the details of all secondary sources like magazines and newspapers? Get Solution →
What is one example of a primary data collection method mentioned in the text? Get Solution →
What is the final step in the process of making a project? Get Solution →
Which statistical tool mentioned in the text is used to calculate the average? Get Solution →

Did you know?

💡 Ancient Egyptians used early statistics to divide land after floods.
💡 The world's first census, counting people, occurred over 6,000 years ago.
💡 Florence Nightingale, a famous nurse, invented new data charts.
💡 The "average" person is a math idea, not a real human being.
💡 Many early games of chance helped develop modern statistics and probability.

Frequently Asked Questions

How many topics are covered in this chapter?

This chapter covers 6 key topics: The Structure of a Statistical Project, Problem Identification and Target Group Selection, Data Collection Methods in Projects, Data Organisation and Presentation, Analysis and Interpretation using Statistical Tools, and more. The BrainWeave AI tutor explains each one with examples.

Is Chapter 8: Use of Statistical Tools important for board exams?

Class 11 is a foundation year. Mastering this chapter now will help you build strong fundamentals for the higher classes.

Can I get NCERT solutions for this chapter in Hindi?

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Related Chapters

Chapter 7: Index Numbers

Chapter 6: Correlation

Chapter 1: Introduction

Chapter 2: Collection of Data

Chapter 3: Organisation of Data

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