In 2011 the U S Department of Transportation reported with

Last updated: 5/27/2023

In 2011 the U S Department of Transportation reported with 95 confidence that the average length of a motor vehicle trip in the United States was 9 72 miles with a margin or error of 0 22 miles With 95 confidence the authors of the report are claiming that the true average length of a motor vehicle trip in the United States is between miles and The level of confidence for this estimate is