What is the most probable value for the distance and the standard deviation of the weighted mean?
A distance was measured by pacing as 267 ft with a standard deviation of 3 ft. It was then measured as 268.94 ft with a steel tape and had a standard deviation of 0.05 ft. Finally, it was measured as 268.99 ft with an EDM. The EDM instrument and reflector setup standard deviations were 0.005 … Read more