W test, W檢驗
Weibull distribution, 威布爾分布
Weight, 權數
Weighted Chi-square test, 加權卡方檢驗/Cochran檢驗
Weighted linear regression method, 加權直線回歸
Weighted mean, 加權平均數
Weighted mean square, 加權平均方差
Weighted sum of square, 加權平方和
Weighting coefficient, 權重系數
Weighting method, 加權法
W-estimation, W估計量
W-estimation of location, 位置W估計量
Width, 寬度
Wilcoxon paired test, 威斯康星配對法/配對符號秩和檢驗
Wild point, 野點/狂點
Wild value, 野值/狂值
Winsorized mean, 縮尾均值
Withdraw, 失訪