In Part 1 of this series, we covered the fundamental concepts and principles incorporated by flow meters along with various flow measurement methods used in mechanical flow meters. It covered in depth ...
Stratified random sampling - random samples are taken from within certain categories. Stratified systematic sampling - regular samples are taken from within certain categories.
The central government today told the parliament that random sampling for Covid tests of incoming international travellers has started at airports. PM Narendra Modi is also to hold a review meeting in ...
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