Consider the Partial Printout Below Is There Evidence (At α =

Essay

Consider the partial printout below. $\begin{array}{lclllll}\hline & \text { Coefficients } & \text { Standard Error } & t \text { Stat } & \text { P-value } & \text { Lower 95\% } & \text { Upper 95\% } \\\hline \text { Intercept } & -63.14873931 & 25.09115112 & -2.516773304 & 0.045484943 & -124.5446192 & -1.752859365 \\X_{1} & 14.72507864 & 8.113581741 & 1.814867849 & 0.119466699 & -5.128155197 & 34.57831248 \\\text { X2 } & 12.48784546 & 4.686063743 & 2.664890224 & 0.037279879 & 1.021452165 & 23.95423875 \\\text { X1X2 } & -1.886935135 & 1.344999834 & -1.402925924 & 0.210210141 & -5.178033575 & 1.404163305 \\\hline\end{array}$
Is there evidence (at α = .05) that x1 and x2 interact? Explain. 12.6 Quadratic and Other Higher Order Models 1 Write and Interpret Second-Order Model