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# In an experiment to determine the effect of ambient

ISBN: 9780073401331 38

## Solution for problem 4E Chapter 6.8

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition

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Problem 4E

In an experiment to determine the effect of ambient temperature on the emissions of oxides of nitrogen (NOx) of diesel trucks, 10 trucks were run at temperatures of 40°F and 80°F. The emissions, in ppm, are presented in the following table.

 Truck 40°F 80°F 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

Can you conclude that the mean emission differ between the two temperature?

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September 20, 2016 Lecture 9 – Sunlight, Color, and Temperature - 4 Processes driven by Sunlight o 1. Warms Ocean o 2. Reflects out o 3. Photosynthesis o 4. Evaporation 1. Warms Ocean - Direct vs. Indirect Heating o Direct energy reaches the ground in a concentrated form  Energy concentrated...

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