2. 医药卫生
  3. X2界值表的取值范围A.-∞＜X2＜∞ B.-∞＜X2＜0 C.0＜X2＜∞ D.-1＜X2＜1 E.X2≤1

X2界值表的取值范围A.-∞＜X2＜∞ B.-∞＜X2＜0 C.0＜X2＜∞ D.-1＜X2＜1 E.X2≤1

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问题 X2界值表的取值范围
选项 A.-∞＜X2＜∞
B.-∞＜X2＜0
C.0＜X2＜∞
D.-1＜X2＜1
E.X2≤1
答案C
解析
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