![图片[1]-4.2.2 一元线性回归解析解-大赛人网](https://www.dsrw.com/wp-content/uploads/2026/11/image-91.png)
![图片[2]-4.2.2 一元线性回归解析解-大赛人网](https://www.dsrw.com/wp-content/uploads/2026/11/image-92.png)
![图片[3]-4.2.2 一元线性回归解析解-大赛人网](https://www.dsrw.com/wp-content/uploads/2026/11/image-93.png)
# 自变量,每周学习时长
X = [[5], [8], [10], [12], [15], [3], [7], [9], [14], [6]]
# 因变量,数学考试成绩
y = [55, 65, 70, 75, 85, 50, 60, 72, 80, 58]
![图片[4]-4.2.2 一元线性回归解析解-大赛人网](https://www.dsrw.com/wp-content/uploads/2026/11/image-94.png)
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![图片[1]-4.2.2 一元线性回归解析解-大赛人网](https://www.dsrw.com/wp-content/uploads/2026/11/image-91.png)
![图片[2]-4.2.2 一元线性回归解析解-大赛人网](https://www.dsrw.com/wp-content/uploads/2026/11/image-92.png)
![图片[3]-4.2.2 一元线性回归解析解-大赛人网](https://www.dsrw.com/wp-content/uploads/2026/11/image-93.png)
# 自变量,每周学习时长
X = [[5], [8], [10], [12], [15], [3], [7], [9], [14], [6]]
# 因变量,数学考试成绩
y = [55, 65, 70, 75, 85, 50, 60, 72, 80, 58]
![图片[4]-4.2.2 一元线性回归解析解-大赛人网](https://www.dsrw.com/wp-content/uploads/2026/11/image-94.png)
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