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Sum of squares of deviations
被引：1
作者：
Bukac, Josef
Sulc, Jakub
机构：
关键词：
teaching;
differences squared;
mean;
sum of squares;
variance;
D O I：
10.1111/test.12212
中图分类号：
G40 [教育学];
学科分类号：
040101 ;
120403 ;
摘要：
The question is whether or not we or any student are allowed to define a measure of variability in some other way that is not written in textbooks and officially approved. We compare the sum of squares of all deviations against the usual sum of squares of deviations from the mean.
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页码：30 / 31
页数：2
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