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} Estimate with 90% confidence the mean difference and interpret.

Question

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} Estimate with 90% confidence the mean difference and interpret.

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The Answer of 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} Estimate with 90% confidence the mean difference and interpret.

Engine Wear to Compare the Wearing of Two Types of Automobile