Whether you're flying for the first time or the 500th, choosing the seats the two of you will occupy on an airplane is an important part of the pre-flight process â and it can have an significant impact on your comfort in the air. The following will help in choosing economy-class seats for a plane ride of any duration. If you're changing planes and don't have a long layover, choose seats as close to the front as you can. 2  Travelers who sit in the back usually get to board the plane first, which gives them first dibs on stowing overhead luggage.
reciprocal-of or relating to the multiplicative inverse of a quantity or function; the reciprocal ratio of a:b is b:a. inverse-opposite in nature or effect or relation to another quantity; a term is in inverse proportion to another term if it increases (or decreases) as the other decreases (or increases).
Etymology: ME, mene, in the middle. occupying a position midway between two extremes of a set of values or data. The arithmetic mean is a value that is derived by dividing the total of a set of values by the number of items in the set.The geometric mean is a value between the first and last of a set of values organized in a geometric progression. Compare median, mode. Statistics.eometric mean. the antilog of the mean of the logarithm of the calculated values, the same as the n th root of the product of the values. It is often a more useful mean for growth curves. harmonic mean. the reciprocal of the arithmetic mean of values converted to their reciprocals (used in dealing with skewed data).