[求助]1。2的一个问题
<p>今天做题碰上这样一个题,联系册上没有见过<br/>大家帮帮我解释一下这个选择题<br/>谢谢各位了<br/>Which of the following is not a feasible value for the correlation coefficient?<br/>A  +1.2<br/>B  +0.6<br/>C    0<br/>D  -0.6</p> <p>A,</p><p>只能 -1 到 1之间</p> for correlation coefficient, the feasible value is between -1 and +1 我选A页: 
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