These figures were often spuriously computed by selecting particularly favorable sample groups.是什么意思？

These figures were often spuriously computed by selecting particularly favorable sample groups.

这些数字往往是用错误的方法计算出来的，所用的都是特别挑选出来的对自己有利的样本组。

these

adj. 这些的；pron. 这些；

例句
There's lots of money about these days for schemes like this.
近来这类计划资金充足。

figures

n. 轮廓，人物，身形，雕像，数字( figure的名词复数 )，算术，图解，轮廓；vt.& vi. 认定，计算，是重要部份，是…的部份；

例句
The government wants figures that help it to plan ahead...
政府需要一些有助于其提前制订计划的数据。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

spuriously

--

例句
These figures were often spuriously computed by selecting particularly favorable sample groups.
这些数字往往是用错误的方法计算出来的，所用的都是特别挑选出来的对自己有利的样本组。

computed

adj. [医]计算的，使用计算机的；v. 计算，估算( compute的过去式和过去分词 )；

例句
The computed results of the elastic and elastoplastic dynamic response of anticollision beam system are analyzed.
分析了防撞梁系统弹性和弹塑性动力响应计算结果.

by

prep. 在…旁边，表示方式，由于，经过；adv. 经过，表示保留或保存时用，短暂拜访；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

selecting

n. 选择（法）；v. 选择，挑选( select的现在分词 )；

例句
When selecting fresh fish, let your taste buds be your guide.
挑选鲜鱼时，要靠味觉才行。

particularly

adv. 特别，尤其，异乎寻常地；

例句
...an incident which particularly affronted Kasparov.
让卡斯帕罗夫感到特别受辱的一件事

favorable

adj. 赞同的，称赞的，有利的，讨人喜欢的；

例句
There are favorable condition for formation of non anticlinal oil & gas pools in the Tarim Basin.
塔里木盆地具备发育非背斜圈闭 油气 藏的条件.

sample

n. 样品，华样，标本，榜样，（化验的）取样，[信]信号瞬时

例句
We based our analysis on a random sample of more than 200 males.
我们随机抽查了 200 多名男性，并在此基础上进行分析。

groups

n. 组( group的名词复数 )，群，小型流行音乐演奏组，集团；v. 使成群，集合( group的第三人称单数 )，分类，归类；

例句
All-male groups will not be accepted.
清一色的男性团体将不被接纳。