“Anybody will do” for a teacher means that _________
A. almost all people want to become a teacher B. a teacher is so highly respected that people all want to help him a teacher will do whatever he can for his students D. the job of teaching is so easy that everybody can do it
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标准化处理是在假定变量服从正态分布的前提下,将变量值转化为数学期望为1,方差为0的标准化数值,从而达到同度量的效果。()
A. 正确
B. 错误