Assertion: sample | /r/HasProperty | small
Facets:
Source sentences:
text: If the sample is small (N < 30), the distribution of sample means will still be normal if the original population was normally distributed.
text: But this is a bad estimate of variance because the sample is too small.
text: Determining sample size is a very important issue because samples that are too large may waste time, resources and money, while samples that are too small may lead to inaccurate results.