In a meeting, Matt estimates the average miles per gallon (mpg) of the fleet cars is 24 mpg. With a certain level of confidence, he announces the actual mpg is in the 22 to 26 mpg range. What is the Margin of Error?
A) 4 mpg
B) 0.50 mpg
C) 24 mpg
D) 2 mpg

Question

Quizplus · Accepted Answer

The Margin of Error is calculated as the difference between the upper limit of the confidence interval and the estimated value, or equivalently, the difference between the estimated value and the lower limit. Here, it's (26 - 24) or (24 - 22), which equals 2 mpg.

In a Meeting, Matt Estimates the Average Miles Per Gallon