This is because as you add response options, you increase the number of squared difference scores -- (Observed - Expected)2 -- you can sum over.

这是因为当增加回答选项时，就增加了方差值的数目 — (观察值 - 期望值) 2 — 您可以求它的总数。

youdao

The children's neurodevelopmental outcomes were similar as well, with no significant difference in mean cognitive or language composite scores.

两组婴幼儿的平均认知或语言综合得分的差别也不明显。

youdao

They found little difference between boys' and girs' average math scores.

她们发现男孩和女孩的数学平均成绩并无较大差异。

youdao

And, likewise, there will be a test running from 1:05 to 1:55: two different tests of comparable difficulty. I did this last year, and the difference in the scores on all three tests 1% was less than 1%.

还有，测试的时间会是,从1点5分到1点55分，两个不同的测试,但是难度差不多，我去年这样做过，3个测试的分数的区别,不到。

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But they also say the study shows a "wide range of achievement, with a large difference between the scores of the highest and lowest achievers".

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Over the past two months, the difference in Buzz scores between the two groups has begun to diminish, returning to nearly where they were before the campaign.

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Whether or not it was change of formation that made the difference, the scores were level a minute into the second half when Edu misdirected his attempt to head clear a Tino Costa free-kick into the corner of the net from all of 15 yards.

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