International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage
| 134. Standardized averages, or Standardized means : A method of allowing or `adjusting` the effects of other variables, or for differences in the composition of the groups that are to be compared, by using a standard set of weights to combine the means of sub-groups into a single mean. Used mainly for the construction of index numbers. | ||
