The data of three groups was statistically analyzed by group t test.

三组数据两两间进行分组t实验。

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This is also made possible by the use of three failure groups, which are further explained under Data replication.

这是通过使用三个故障组得以实现的，我们将在数据复制一节详细对之进行介绍。

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All three groups reproduced Gurzadyan's analysis of the WMAP data and all agree that the data do contain low-variance circles.

这三组人都重新分析了Gurzadyan对WMAP数据的分析并且都同意数据确实包含低温度差的圆环。

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Due to a three-decade-old court decision, the newspaper could only publish data aggregating groups of 10 doctors or more.

WSJ: How The Wall Street Journal Crunched the Medicare Numbers