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What is meant by census method ? Give its merit and demerits. |
| Answer» Solution :The Census Method is ALSO called as a Complete Enumeration Survey Method wherein each and every item in the universe is selected for the data collection. ... Whenever the entire population is studied to collect the detailed data about every unit, then the census method is applied.MeritsIntensive Study – Under census investigation, you must obtain data from each and every unit of the population. Further, it enables the statistician to study more than one aspect of all items of the population.Reliable Data – The data that a statistician collects through a census investigation is more reliable, representative, and accurate. This is because, in a census, the statistician observes every item personally.Suitable Choice – It is a great choice in situations where the different items of the population are not homogeneous.The basis of various surveys – Data from a census investigation is used as a basis in various surveyDemeritsCosts – Since the statistician closely observes each and every item of the population before collecting the data, it makes a census investigation a very costly method of investigation. Usually, government organizations adopt this method to collect detailed data like the population census or agricultural census or the census of industrial protection, etc.Time-consuming – A census investigation is time-consuming and also requires manpower to collect ORIGINAL data.Possibilities of Errors – There are MANY possibilities of errors in the census investigation method due to non-response, MEASUREMENT, lack of preciseness of the definition of statistical units or even the personal BIAS of the investigators. | |