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Engine Wear
To compare the wearing of two types of automobile engines,1 and 2,an experimenter chose to "pair" the measurements,comparing the wear for the two types of engines on each of 7 automobiles,as shown below.
-(Engine Wear Narrative} Determine whether these data are sufficient to infer at the 10% significance level that the two types of engines wear differently.
Itchy Eyes
A discomforting sensation around the eyes prompting a desire to rub, often caused by allergies, eye strain, or infections.
Common Cold
A viral respiratory infection causing symptoms like runny nose, sore throat, cough, and sneezing.
Influenza
A highly contagious viral infection of the respiratory passages causing fever, severe aching, and often occurring in epidemics.
Allergy
A hypersensitive immune response to a substance that is normally harmless, causing symptoms such as sneezing, itching, and swelling.
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