Chapter 19 :- Introduction So far we have studied various statistical tools. These tools are important for us in daily life and are used in the analysis of data collected. In this chapter, you will learn the method of developing a project. This will help in understanding how statistical tools Read more
Chapter 18 :- Introduction In this lesson we shall deal with index numbers which are specialised averages. An index number is a specialised measure designed to show changes in a variable or a group of related variables with respect to time, geographical location or other characteristics. — Spiegal Mr. Chandran Read more
Chapter 17 :- Introduction So far we had studied about series where various items assume different values of one variable, for example, height of a student. These types of data are called univariate data. There can, however, be such series also where each item assumes the values of two or Read more
Chapter 16 :- Plus One Economics Notes on Chapter 16 Measures of Dispersion Introduction If we analyse two or more observations the central value may be the same but still there can be wide disparities in the formation of the distribution. For example, the AM of 2, 5 and 8 Read more
Chapter 15 :- Plus One Economics Short Notes on Chapter 15 Measures of Central Tendency INTRODUCTION: We had learnt how to present a statistical data precisely and meaningfully. This is to enable the statistician to study the data well and draw inferences from the,‘data. But by presentation only, it cannot Read more
Chapter 14 :- Presentation of Data Plus One Economics Introduction After collecting the data by using various methods, the next step is to present them in a systematic manner. This is because raw data itself will not convey their full meaning (The collected data in any statistical investigation are known Read more
Chapter 13 :- Organisation of Data Plus One Economics Short Notes on Chapter 13 Organisation of Data Introduction The data collected in its original form is unorganised. Hence we call it raw data. This raw data is to be organised or classified so that it will become meaningful for the Read more
Chapter 12 :- Collection of Data Plus One Economics Introduction Let us discuss the sources of data and the methods of data collection. Clear solution to a problem is possible only with proper evidence. The purpose of collection of data is to show such evidence. In economics, you often come Read more
Chapter 11 :- Statistics – Introduction. Plus One Economics Chapter 11 Introduction to Statistics Introduction Statistics is the science of collecting, classifying and analyzing information in numbers. It is an inevitable tool in the hands of economists to understand various economic problems. These problems can be quantitative and qualitative. Economic Read more
Chapter 10:- Comparative Development Experiences of India and Her Neighbours. Plus One Economics Introduction Economic policies followed by countries change over time. Policies are changed by learning from the mistakes of the past. It is also possible to learn from the experiences of other countries. Learning from the successes and Read more