In an experiment to determine the effect of ambient
Chapter 6, Problem 4E(choose chapter or problem)
In an experiment to determine the effect of ambient temperature on the emissions of oxides of nitrogen \(\left(\mathrm{NO}_{x}\right)\) of diesel trucks, 10 trucks were run at temperatures of \(40^\circ \mathrm F\) and \(80^\circ \mathrm F\). The emissions, in ppm, are presented in the following table.
\(\begin{array}{ccc}
\hline \text { Truck } & \mathbf{4 0}^{\circ} \mathbf{F} & \mathbf{8 0}^{\circ} \mathbf{F} \\
\hline 1 & 0.8347 & 0.8152 \\
2 & 0.7532 & 0.7652 \\
3 & 0.8557 & 0.8426 \\
4 & 0.9012 & 0.7971 \\
5 & 0.7854 & 0.7643 \\
6 & 0.8629 & 0.8195 \\
7 & 0.8827 & 0.7836 \\
8 & 0.7403 & 0.6945 \\
9 & 0.7480 & 0.7729 \\
10 & 0.8486 & 0.7947 \\
\hline
\end{array}\)
Can you conclude that the mean emissions differ between the two temperatures?
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