November 23, 2015 09:47 pm | Updated December 09, 2016 08:48 pm IST
This is a blog post from
There was the Bihar Elections debacle. And before that, none managed to get the numbers right when Arvind Kejriwal retook Delhi by storm. Data collection and extrapolation can be a tricky thing, especially in a country like ours. But at the heart of the much-loved opinion polls that wash the front pages of our newspapers and television screens before every mega election's result in the country, lies multiple complications.
Here's why it is the way it is:
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