POPULATION, CENSUS AND SAMPLING� ITS MEANING AND ADVANTAGES

POPULATION, CENSUS AND SAMPLING� ITS MEANING AND ADVANTAGES

1. POPULATION, CENSUS AND SAMPLING ITS MEANING AND ADVANTAGES PRESENTER NIRMALA K 1 st M.Com Under the guidance of Sundar B. N. Asst. Prof. & Course Co-ordinator GFGCW, PG Studies in Commerce Holenarasipura

2. CONTENT Introduction Data collection of population , census and sampling. 1. Meaning 2. Example 3. Advantages How are samples collected Conclusion Reference

3. INTRODUCTION Data collection of population, census and sample Statistical is the science of data there are several method of data collection . Here we shall focus on 3 months i.e population ,census and sample. A population may be studied by using one of two approaches. i.e Taking a census or selecting sample. The census of India is conducted once in every 10 years and the 1 st census in India was held on 1881. The national sample survey came in to being in 1950 to collect information through sample surveys on verity of socio- economic aspects.

4. MEANING OF POPULATION Using statistical tools for the population is very popular because it can be easely collect the data on the population of a place in such as size , age and sex composition , geographical distribution and socio – economic features. i.e All the people who have the id proofs is the population.

5. ADVANTAGES OF POPULATION BETTER USE OF RESOURSES If the population is above the optimum size , the country will be able to make better use of resourses . INCREASE SIZE OF MARKET The size of market will increase , it should enable firms to take more benefits of economic scale. EXTRE DEMAND More demand will be generated and this may lead to introduction of new technology.

6. CENSUS A census is a survey conducted on the full set of observation objects belonging to given population or universe. Example: population production

7. Advantages of census 1 Results are more accurate and reliable. 2 Intensive ( the investor gather a lot of knowledge). 3. Suitable for different units. 4. Increase confidence interval. 5. Maximum chance of identifying of negative feedback

8. SAMPLING Sampling is the selection of a subset of individuals from statistical population to estimate characteristics of the whole population. Example: 1)The top 10 students in the class are the sample. 2)Top 50 results are selected.

9. ADVANTAGES OF SAMPLING Less time consuming in sampling. There is high scope for sampling. Accuracy of data is high. Suitable in limited resources. Low cost of sampling. It helps in checking census results.

10. How are samples selected RANDOM SAMPLING NON–RANDOM SAMPLING It means samples are choosen at random and the same chance of being in the sample. Eg : A lotter draw is a good example. It means units are choose based on their ease of access and also based on what researcher thinks . Eg:Convenience , judgemental etc ….

11. Methods of Sampling

12. CONCLUSION Here finally conclude that using a sample in research saves mainly on money and time. If a suitable sampling stratagy is used. Higher population growth supplies more work force in the market and at last censuse prpviding detailed information on the demogrophic , social aspects of the population.

13. REFERENCE Population meaning and advantages (retrieved from http://www.yourarticlelibrary.com ) date: 27/04/21 Census meaning and advantages (retrieved from http://byjus.com ) date: 27/04/21 Sampling meaning and advantages (retrieved from http://www.accontlearning.com ) date: 27/04/21 /