在回归模型<img src="https://static.zxtiku.com/wangke/imgs/topic/2c8751d58d460d7fa93323a6c5adc9d7.jpg"/>中，<img src="https://static.zxtiku.com/wangke/imgs/topic/25d7744313085f075e41cce34897eb79.jpg"/>与<img src="https://static.zxtiku.com/wangke/imgs/topic/981b086523ee2f9592651a2494defdfd.jpg"/>高度相关，<img src="https://static.zxtiku.com/wangke/imgs/topic/8160c7db734be49623e57a055191fc78.jpg"/>与<img src="https://static.zxtiku.com/wangke/imgs/topic/09b9d31e0571340f351211f19c80f5db.jpg"/>无关，则因为<img src="https://static.zxtiku.com/wangke/imgs/topic/4d447fadea10474476a2d3b1e3f67c0c.jpg"/>与<img src="https://static.zxtiku.com/wangke/imgs/topic/634362c5c4d7a292767f94e448beef88.jpg"/>高度相关会使<img src="https://static.zxtiku.com/wangke/imgs/topic/baf8395f831339bafa7b9956e7a84448.jpg"/>的方差<br/> A、变大<br/> B、变小<br/> C、不确定<br/> D、不受影响