问一道英文数学题The larger the spread of data around the meana.the smaller the sum of squared deviationsb.the smaller the interquartile rangec.the larger the meand.the larger the variance求答案是哪个

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问一道英文数学题Thelargerthespreadofdataaroundthemeana.thesmallerthesumofsquareddeviationsb.thesmallertheint

问一道英文数学题The larger the spread of data around the meana.the smaller the sum of squared deviationsb.the smaller the interquartile rangec.the larger the meand.the larger the variance求答案是哪个
问一道英文数学题
The larger the spread of data around the mean
a.the smaller the sum of squared deviations
b.the smaller the interquartile range
c.the larger the mean
d.the larger the variance
求答案是哪个

问一道英文数学题The larger the spread of data around the meana.the smaller the sum of squared deviationsb.the smaller the interquartile rangec.the larger the meand.the larger the variance求答案是哪个
题意为:围绕着均值的分布越大(宽),则:
显然:变差越大.d正确.

正确答案选D