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“相對標(biāo)準(zhǔn)偏差”的計(jì)算公式是什么

2021.9.28

相對標(biāo)準(zhǔn)偏差?f11f3a292df5e0fe9cb93a81516034a85fdf7288?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg?的計(jì)算公式如下:10dfa9ec8a136327fa5c71b39c8fa0ec09fac7f9?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg

其中?95eef01f3a292df5e4621f95b1315c6035a87388?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg?為標(biāo)準(zhǔn)偏差(也可以表示為?0bd162d9f2d3572c85532f5c8713632763d0c3f9?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg?),?dbb44aed2e738bd4cd6e01b1ac8b87d6267ff9e7?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg?相應(yīng)的平均值。

相對標(biāo)準(zhǔn)偏差(relative standard deviation;RSD)又叫標(biāo)準(zhǔn)偏差系數(shù)、變異系數(shù)、變動系數(shù)等,由標(biāo)準(zhǔn)偏差除以相應(yīng)的平均值乘100%所得值,可在檢驗(yàn)檢測工作中分析結(jié)果的精密度。

09fa513d269759eea237d24bbffb43166c22dfcf?x-bce-process%3Dimage%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_jpg


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