Why any salary value you quote must be reliable.
Some Internet sites show a median value rather than a mean.
Why Buying Power should also be considered in assessing a salary offer. Standard Error - Why any salary value you quote must be reliable. The existence of a Standard Error tells you not only how good a salary estimate is, but if it is any good at all. In 1975, the U.S. Congress passed Federal Rule of Evidence 702 so that a threshold standard for the admission of expert witness testimony might exist in Federal Courts. In March of 1999, the United States Supreme Court issued a ruling in the Carmichael vs. Kumho Tire Co. case that further defined when a Daubert reliability challenge applies.