置信上限 confidence upper limit I confidencelower limit U-estimator 正态总体 normal population 体方差的估计| estimation of population variance degree 方差比 variance ratio 第八章假设检验 Chapter 8 Hypothesis Testings 参数假设 假设检验 两类错误 two types of errors 计假设 statistical hypothesis 统计假设检验 statistical hypothesis testing 检验统计量 test statistics 显著性检验 test of significance 统计显著性 statistical significance 单边检验、单侧 one-sided test 检验 单侧假设、单边 ne-sided hypothesis 双侧假设 two-sided hypothesis 双侧检验 two-sided testing 显著水平 significant level 拒绝域/否定区 rejection region 区域 acceptance region U检验 F检验 F-test 差齐性的检验| homogeneity test for variances 拟合优度检验| test of goodness of fit置信上限 confidence upper limit 置信下限 confidence lower limit U 估计 U-estimator 正态总体 normal population 总体方差的估计 estimation of population variance 置信度 degree of confidence 方差比 variance ratio 第八章 假设检验 Chapter 8 Hypothesis Testings 参数假设 parametric hypothesis 假设检验 hypothesis testing 两类错误 two types of errors 统计假设 statistical hypothesis 统计假设检验 statistical hypothesis testing 检验统计量 test statistics 显著性检验 test of significance 统计显著性 statistical significance 单边检验、单侧 检验 one-sided test 单侧假设、单边 假设 one-sided hypothesis 双侧假设 two-sided hypothesis 双侧检验 two-sided testing 显著水平 significant level 拒 绝域 /否定 区 域 rejection region 接受区域 acceptance region U 检验 U-test F 检验 F-test 方差齐性的检验 homogeneity test for variances 拟合优度检验 test of goodness of fit