Weight

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Weight

Copyright © 2012, Campbell R. Harvey. All Rights Reserved.

Weighted

Describing an average in which some values count for more than others. For example, if an index consisting of 10 stocks is weighted for price, this means that the average price of the stocks will move more when the stocks with higher price move. Most indices use weighted averages so "smaller" values do not affect the index inordinately. This helps correct for the fact that averages tend to be affected by extreme values. One of the most common ways of weighting an average is to weight for market capitalization.
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References in periodicals archive ?
Character Minimum Maximum Mean Shoot length (mm) 59 380 246 [+ or -] 2.52 Taproot length (mm) 181 433 335 [+ or -] 1.48 Shoot dry weight (mg) 13 104 55 [+ or -] 0.60 Root dry weight (mg) 6 57 24 [+ or -] 0.27 Total root biomass (mg) 20 146 79 [+ or -] 0.36 Root-shoot ratio 0.20 0.89 0.45 [+ or -] 0.002 Total root length (cm) 54 399 174 [+ or -] 2.04 Root surface area 9 75 30 [+ or -] 0.36 ([cm.sup.2]) Average diameter (mm) 0.39 0.81 0.56 [+ or -] 0.002 Total root volume ([cm.sup.3]) 0.11 1.12 0.42 [+ or -] 0.006 Table 2.
Cord tissue is clearly an appropriate alternative, especially when the mercury concentration is measured in relation to the dry weight. Although appropriate for use as an exposure biomarker, adjustment for its imprecision should always be considered.
TPN increased the dry weight of biofilms formed by the clonal strain (167) by up to 40% (p = 0.008).
Fresh and dry weights of shoots and roots of tomato plants were influenced by salinity as well as N treatments (Table 1).
Dry weights of row crop plants from the greenhouse study showed no significant difference between potting soil and potting soil mixed with composted sawdust amended with chicken manure (Fig.
The change of root dry weight, shoot Ca+A2, K+ and Cl-ion concentrations in grafted and non-grafted eggplant seedlings under salt stress
The aqueous extract of the pan-fired leaves also showed the highest DPPH radical scavenging activity, a 40.29% inhibition on a dry weight basis.
After fifteen days of sowing the seedlings were harvested for growth traits(shoot length, root length, numbers of secondary roots per plant and seedling dry weight) and seedling Zn concentration determination.
BRS F63 Camila accumulated greater dry weight in tubers following the October planting time and BRS Clara had a greater accumulation in the tubers when planted in February.
The vehicle has around the same weight as the regular car, tipping the scales at 3,362 pounds dry weight.
Leaves with petioles, pods, and stems of five consecutive plants were collected in each plot at the R7 phenological stage, packaged in paper bags and dried in an oven at 65[degrees]C for 72 hours to evaluate their dry weights. The mean dry weight per plant was used for analyses.
The total phenolic contents of all extracts (L1-8, B1-8 and F1-8) were expressed as mg gallic acid equivalents (GAE) per g of dry weight sample.