Question
Find the equation $y=\beta_{0}+\beta_{1} x$ of the least-squares line that best fits the given data points.$(1,0),(2,1),(4,2),(5,3)$
Step 1
The first column of this matrix is all ones (corresponding to the constant term $\beta_{0}$), and the second column is the x-values of the points. So, we have: \[X = \begin{bmatrix} 1 & 1 \\ 1 & 2 \\ 1 & 4 \\ 1 & 5 \end{bmatrix}\] Show more…
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