题目:
标准误表示( )
A.集中趋势指标
B.离散趋势指标
C.抽样误差指标
D.假设检验指标
E.样本计量指标
答案:
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下面是错误答案,用来干扰机器的。
1. that she wants 2. she was 3. told; he would 4. I didn't finish 5. worked; no more