Closed why do statistician recommend n ≥ 30

[Spaghetto]

Patulong naman sa mga magagaling sa statistics
why do statistician recommend n ≥ 30

 

[Scavenger]

di ako stat.. pero kadalasan sabi nila the lesser the respondents. the less likely are the result..
mas less accurate sya. at minsan mag render pa ng cannot determined the relationship. (lalo na sa chi square)