CENSUS METHOD |HINDI EXPLAINATION скачать в хорошем качестве

CENSUS METHOD |HINDI EXPLAINATION

A statistical investigation in which the data are collected for each and every element/unit of the population is termed as census method. ●     It is also known as ‘complete enumeration’ or ‘100% enumeration’ or ‘complete survey’. ●     It is useful when case intensive study is required or the area is limited. ●     Examples: 1.    Demographic data on birth and death rates, literacy, workforce, life expectancy, size and composition of a population 2.    The census of India is conducted every 10 years. The following are the advantages of the census method.(1) Intensive study●     It provides intensive and in-depth information covering many facets of the problems. ●     Example: In a population census, not only the number of persons is counted, but the information is also collected on various other parameters like the number of males and females, age, education, marital status, occupational level, income health conditions, etc. (2) Results are more accurate and reliable●     Since, in this type of investigation, every item of the universe is taken into account, the conclusions are more accurate and reliable. (B) The following are the disadvantages of the census method. (1) Costly method●     Since the data are obtained for or from each and every unit of the population, it is a very expensive method of investigation, especially in case of a large population size. (2) Needs more time and manpower●     Since a large volume of data is to be collected, more time and manpower is required for its collection, analysis, and interpretation. (3) Not suitable for the large population●     This method is meaningless in the case of an infinite universe where the number of items is unlimited. #zoologynotes #censusmethod #wwf #biology #zoology #bsc1styear #bsc1styearzoology #bsc3rdyearzoology #coaching #cell