Consider the Partial Printout Below

question 52

Essay

Consider the partial printout below. $$\begin{array}{l}\begin{array} { l c l l l l l } \hline & \text { Coefficients } & \text { Standard Error } & t \text { Stat } & \text { P-value } & \text { Lower 95\% } & \text { Upper 95\% } \\\hline \text { Intercept } &- 63.14873931 & 25.09115112 & - 2.516773304 & 0.045484943 & - 124.5446192 & - 1.752859365 \\\text { X1 } _ { 1 } & 14.72507864 & 8.113581741 & 1.814867849 & 0.119466699 & - 5.128155197 & 34.57831248 \\\text { X2 } & 12.48784546 & 4.686063743 & 2.664890224 & 0.037279879 & 1.021452165 & 23.95423875 \\\text { X1X2 } & - 1.886935135 & 1.344999834 & - 1.402925924 & 0.210210141 & - 5.178033575 & 1.404163305 \\\hline\end{array}\\\text { Is there evidence (at } \alpha = .05 \text { ) that } x _ { 1 } \text { and } x _ { 2 } \text { interact? Explain. }\end{array}$$

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Definitions:

Pleurisy

Inflammation of the pleura.

Visceral

Pertaining to viscera, the internal organs, especially the abdomen.

Parietal Pleura

The outer membrane that lines the inner wall of the thoracic cavity, opposed to the visceral pleura covering the lungs.

Lung Ventilation Scan

A diagnostic imaging test that measures airflow and blood flow in the lungs, often using radioactive materials to view the organ's function.