21.   The ECI is considered the most accurate measure of wages, salaries and benefits -- and less volatile that the average hourly earnings statistics in the monthly employment report.

22.   The index is considered the most accurate measure of employment costs, since it covers wages, salaries and benefit costs.

23.   The index is considered the most accurate measure of employment costs, since it covers wages, salaries and benefits, and factors out overtime and job changes.

24.   The index is considered the most accurate measure of U.S. employment costs, since it covers wages, salaries and benefit costs.

25.   The index is considered the most accurate measure of employment costs, since it covers wages, salaries and benefits.

26.   The index is considered the most accurate measure of U.S. employment costs, since it covers wages, salaries, and benefit costs.

27.   The Ratings Percentage Index, used by the NCAA to select and seed teams for the NCAA tournament, is perhaps the most accurate measure.

28.   The sharp variance in performance also highlights the fact that no index by itself can provide an accurate measure of the entire market.

29.   The telescope was the first instrument to obtain an accurate measure of the rotation of Mercury, and it furnished detailed maps of the Moon, Venus and Mars.

30.   There is no accurate measure of the effect.