): ▁ ▁{ | ▁cell sp acing =" 1 " ▁border =" 1 " ▁| ▁| ▁align =" right " ▁| ▁Est imate ▁| ▁align =" right " ▁| ▁Standard ▁deviation ▁| - ▁| ▁Class ical ▁Est imate ▁| ▁align =" right " ▁| ▁ 0 . 6 9 3 6 5 ▁| ▁align =" right " ▁| ▁ 0 . 0 0 2 5 5 ▁| - ▁| ▁Ant ith etic ▁Vari ates ▁ ▁| ▁align =" right " ▁| ▁ 0 . 6 9 3 9 9 ▁| ▁align =" right " ▁| ▁ 0 . 0 0 0 6 3 ▁| } ▁ ▁The ▁use ▁of ▁the ▁ant ith etic ▁vari ates ▁method ▁to ▁estimate ▁the ▁result ▁shows ▁an ▁important ▁variance ▁reduction . ▁ ▁References ▁ ▁Category : Var iance ▁reduction ▁Category : Comput ational ▁statistics ▁Category : Mon te ▁Carlo ▁methods <0x0A> </s> ▁Isaac ▁Hoff man ▁House ▁is ▁a ▁historic ▁home ▁located ▁at ▁Hou ck sv ille , ▁Car roll ▁County , ▁Maryland , ▁United ▁States . ▁It ▁was ▁built ▁about ▁ 1 8 5 0 ▁and ▁is ▁a ▁two - story ▁g able - ro of ed ▁st u cco ed ▁stone ▁farm ▁house ▁with ▁a ▁four ▁bay ▁fa ç ade ▁with ▁a ▁one - story ▁full ▁length ▁por ch . ▁ ▁Also ▁on ▁the ▁property ▁is ▁a ▁stone ▁spring house . ▁The ▁house ▁is ▁unusual ▁for ▁retain ing ▁elements ▁of ▁Pennsylvania ▁German ▁architecture ▁at ▁such ▁a ▁late ▁date . ▁ ▁The ▁Isaac ▁Hoff man ▁House ▁was ▁listed