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.

Quizplus · Accepted Answer

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