正态总体标准差的两种新估计 |
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引用本文: | 周杰升.正态总体标准差的两种新估计[J].新乡学院学报(自然科学版),2008(3):25-26. |
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作者姓名: | 周杰升 |
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作者单位: | 盐城师范学院数学系,江苏盐城224002 |
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摘 要: | 求出了正态分布的平均偏差,并由此给出了正态总体标准差的两种新估计。
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关 键 词: | 方差 标准差 平均偏差 |
Two Kinds of Estimate of Standard Deviation of Normal Population |
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Authors: | ZHOU Jie-sheng |
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Institution: | ZHOU Jie-sheng (Dept. of Math. , Yancheng Teachers college, Yancheng 224002, China) |
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Abstract: | In this paper , we calculate average deviations and give two kinds of estimate of standard deviation for the normal population. |
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Keywords: | deviation standard deviation average deviation |
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