Statistical Economics is an integral part of your plus two curriculum if you have taken up Commerce as your stream. It is further important if you want to pursue higher studies doing Bachelors of Commerce or Economics as in the modern times the subject has got huge practical utility as well as significance in many sectors of the job also. The students of Commerce are introduced to statistics in class 11 which deals with the collection, analysis, and representation of data in the form of tables, charts or graphs. This is important when the data is a lot in quantity, and there is need to sort the data for further calculations and analysis. It is also needed for surveys and experiments to calculate percentages of things. Statistics is important not only in case of any business or census but we come across statistics every day in our lives. The mortality rates, literacy rate, sex ratio is all a result of statistical calculations which is based on a collection of information and analyzing of the same. The CBSE class 11 Statistics Economics Chapter 1 and Chapter 2 deals with the introduction and collection of data in statistics.
Chapter 1: Introduction: The chapter deals with the basic introduction to the subject along with the definition of statistics, what role does it play in economics, with a customary introduction and conclusion are given in this chapter.
- STATISTICS IN ECONOMICS
- WHAT IS STATISTICS?
- WHAT STATISTICS DOES?
Chapter 2: Collection of data: This is the first step that further leads on to analyzing and representation of the same. This chapter deals with the sources of data and the ways to collect it, census and surveys, errors related to sampling and non-sampling, and the census of India, etc. The census of India is an important example of statistics that keep a tag of the number of people residing in the nation, their per capita income, percentage of people below poverty line, literacy rate and so on. Class 11 Statistics Economics Ch 2 Collection of Data deals with the following topics:
- WHAT ARE THE SOURCES OF DATA?
- HOW DO WE COLLECT THE DATA? : Preparation of Instrument, Mode of Data Collection, Pilot Survey.
- CENSUS AND SAMPLE SURVEYS: Census or Complete Enumeration, Sample Survey, Random Sampling, Non-Random Sampling.
- SAMPLING AND NON-SAMPLING ERRORS: Sampling Errors and Non-Sampling Errors.
- CENSUS OF INDIA AND NSSO
NCERT apart from publishing the syllabus books also publishes solution books which contains solver exercises from every chapter. There is a list of short and long questions along with numerical which is solved. One can consult the book to write better answers in the examinations or clear any doubt. The sums are solved, so if you are stuck while solving a numerical, you can always consult the solution book. This will definitely help to keep your basics clear and attain highest marks in the exams.