1051.
1052.
1053.
1054.
1055.
1057.
1058.
1059.
1060.
1061.
1062.
1064.
1065.
1066.
1067.
1068.
1069.
1070.
1071.
1072.
1073.
1075.
1076.
Weighting an average to minimize variance
(news.ycombinator.com)
1077.
1078.
1079.
1080.