Assertion: student's problem | /r/HasProperty | two kinds
Facets:
value: generally
type: DEGREE
Source sentences:
text: These problems are generally of two kinds: (1) those in which the sample size is so large that one may treat a data-based estimate of the variance as if it were certain, and (2) those that illustrate mathematical reasoning, in which the problem of estimating the standard deviation is temporarily ignored because that is not the point that the author or instructor is then explaining.