The data I cite are arithmetical averages, while, as Posner indicates, his data on household incomes are medians, or midpoints, of the distribution of household incomes.
我引用的只是数学计算的一个平均值,而波斯纳的数据却是家庭收入分配的中位数或者说中间点。
2
The relationship between schema and strategy was examined by an analysis of 26 3rd graders' verbal report and written data in solving two complex arithmetical word problems.
This vast discipline of study appears here as an umbrella term to include research into the use of functional systems (i. e. computers) to perform arithmetical, logical and data processing operations.