Chi-square difference test 卡方差异检定 ; 方差异检验
C band real radar sea-clutter data were analyzed and the modified mean square difference test for analyzing the "tail" of clutter was constructed.
对C波段实测雷达海杂波数据进行了统计分析，并为分析杂波“拖尾”特性构造了修正的均方差检验法；
There was no significant difference between DA group and TF group by chi square test. There were significant differences between GIC group and the other two groups.
经统计学卡方检验DA组与TF组之间疗效差异无显著性，两组与GIC组之间疗效差异有显著性。
Only 16.35% in the negative framing chose the safe program. A chi-square test revealed a significant difference.
负面框架组的被试，只有16.35%选择保守方案，差异有统计学意义。
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