var.test
Performs an F test to compare the variances of two samples from normal populations.
See Also ...
母集団が2つの場合の母分散の推定と検定
\[A:16.0,16.1,23.5,20.0,16.5,12.2,19.9,18.2,19.2,24.7\]
\[B:20.9,20.4,21.5,20.6,22.1,21.6,23.3,18.9,19.2\]
\[点推定：7.21\]
\[区間推定：(1.6532,48.2207)\]
\[F_0=\frac{V_A}{V_B}=7.21\]
\[>F(φ_A,φ_B,α/2)=F(n_A-1,n_B-1,α/2)=F(9,8,0.025)=4.36\]
AとBではばらつきが異なると判定される。
