正規母集団の母分散の検定量
xi = xi = [35.2, 34.5, 34.9, 35.2, 34.8, 35.1, 34.9, 35.2, 34.9, 34.8] sd = 0.4 paraTest = Num4TstStatisticLib::ParametrixTestLib.new paraTest.populationVar(xi, sd*sd)