Weighted Average

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Weighted Average

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 that "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 ?
The following definitions can give the relationships between the non-Newtonian weighted means and ordinary weighted means.
Furthermore the relationships between * -convexity and non-Newtonian weighted mean will be determined.
Confidence interval and the weighted mean of the effect size related to the sub-hypotheses seven to nine are presented in Table 10.
Finally, confidence interval and the weighted mean of the effect size related to the main hypothesis are presented in Table 12.
Again, the solid lines are the weighted means and the dashed lines are the standard means.
Some observed sharp fluctuations in the largest companies' components of noninterest income tend to dominate the weighted means of the full sample.
Correlations between the standard SAT and the brief SAT scores uncorrected (r) or corrected (R) for unreliability for each of the five samples along with the weighted mean averages (WM) across the total sample for the r and R indices are listed in Table 3.
Approximately 39,669,000 (weighted mean 45,980,000, 95% CI 39,669,000-51,389,000) shigellosis cases occurred in children <5 years of age in the community and 6,671,000 (weighted mean 5,433,000, 95% CI 5,256,000-5,927,000) in treatment facilities, totaling 46,717,000 (95% CI 44,924,000-57,316,000) cases among Asian children <5 years of age annually.
Consistent with our expectation, the weighted mean (median) coefficient on TREND is positive and highly significant (0.01 level).
To determine the most reasonable area within which to calculate the area weighted mean oft and i, RIDEM used an iterative approach.

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