Census method, Operation Research

Census Methods Complete Enumeration:

If detail information  regarding every individual  person  or item of a given   universe ( or  population ) is  collected then the  enquiry will be  complete enumerations. Another common  name of  complete enumeration is  census. For  example during  the census of population ( which   is done  every ten  years in India), information in respect of each  individual  person  residing  in India is collected. This  methods gives  information for each  and every  unit of the population  with greater accuracy.

Advantages

1.Complete information  is needed  about the  entire universe. For  example  if details of each unit of a population have  to be obtained it is necessary that details  of all individuals constituting  the universe are obtained and as  such the  census type of enquiry becomes  inevitable.

2.Where  the size of  the universe is  not big and the need for accurate results  is great.

3.In case of manufacturing  process in industry if the occurrence of a defect may  cause damage to the  machine  itself or the life of person  operating it  percent  inspection  would  be recommended.

Disadvantage

1. It is very  expensive particularly if the size of the universe is large.

2. It requires more time for  completion

3. It needs substantial manpower  and administrative control

 

Posted Date: 2/26/2013 1:36:09 AM | Location : United States







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