4 ms·
sample size is irrelevant if the selection criteria are poor.
by frobozz 8y ago
sample size is irrelevant if the selection criteria are poor.
- gamblor956 8y agoIf the sample size is large enough the selection criteria doesn't matter.
- jonas21 8y agoI guess that's technically true, but only if your sample size is 100%. :-)
- kolinko 8y agoThere were examples of very large polls that failed spectacularly because of the badly chosen samples https://www.math.upenn.edu/~deturck/m170/wk4/lecture/case1.html https://www.math.upenn.edu/~deturck/m170/wk4/lecture/case1.h...
- alasdair_ 8y agoTake a sample of 5000 random people (an enormous sample size) attending the Republican National Convention and ask them which party they will vote for.