应用线性回归模型课程，线性回归方程公式中的xi是什么？_哔哩哔哩_bilibili

Name: %E5%BA%94%E7%94%A8%E7%BA%BF%E6%80%A7%E5%9B%9E%E5%BD%92%E6%A8%A1%E5%9E%8B%E8%AF%BE%E7%A8%8B%EF%BC%8C%E7%BA%BF%E6%80%A7%E5%9B%9E%E5%BD%92%E6%96%B9%E7%A8%8B%E5%85%AC%E5%BC%8F%E4%B8%AD%E7%9A%84xi%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F
Uploaded: 2025-07-07T20:06:28.538Z