Recently you have seen the television coverage on exit polls before the results

collection-of-data

#1

Recently you have seen the television coverage on exit polls before the results of Lok Sabha election 2014, which sampling technique is used in such cases and how does it work?


#2

Random sampling technique is used for exit polls. A random sample of voters who exit the polling booths are asked for whom they voted. On the basis of the data collected therefore the predication is made.