甜菜取样数量可靠性试验研究  

An Expriment on the Reliability of Sampling Number from Commercial Sugar Beet

作　　者：许群[1] 王绍禹[1] 于明海 

机构地区：[1]中国农科院甜菜研究所 [2]黑龙江省标淮局

出　　处：《甜菜糖业》1990年第1期10-13,共4页

摘　　要：对万株检糖材料计算机人工模拟取样结果看出,甜菜单车交售量在3吨以下;总体变异不超过10%;容许误差在±0.5度糖;置信概率在80%时,取样数量为20株,此时的样本含糖平均数可代表单车交售甜菜的总体含糖水平。The result of computer—simulated sampling from the sugar contentdatas of 10000 plants of sugar beet was analysed.When the total weight ofsugar beet per.transport vehicle loaded was under 8 tons,the populationvariation was not in excess of 10%,the allowance of percentage for sugarcontent was±0.5 and the confidence level was 80%,the sampling numberwas 20.Then the average sugar content of the samples could represent theone of the population.

关 键 词：甜菜 糖度 取样数量 可靠性 试验 

分 类 号：TS242.2[轻工技术与工程—制糖工程]