AIR MATH

Math Question

A calculator was used to perform a linear regression on the values in the table. The results are shown to the right of the table. \begin{tabular}{|c|c|} \hline\( x \) & \( y \) \\ \hline 1 & 9 \\ \hline 2 & 6 \\ \hline 3 & 2 \\ \hline 4 & \( -2 \) \\ \hline 5 & \( -5 \) \\ \hline \end{tabular} LinReg \( y=a x+b \) \( a=-3.6 \) \( b=12.8 \) \( r 2=.9969230769 \) \( r=-.9984603532 \) What is the line of best fit? A. \( y=-0.998 x+12.8 \) B. \( y=-3.6 x+12.8 \) C. \( -0.998=-3.6 x+12.8 \) D. \( y=12.8 x-3.6 \)

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