| 概率统计中自由度的理解与应用 |
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| 引用本文： | 潘素娟,林丽钦.概率统计中自由度的理解与应用[J].松辽学刊,2013(4):138-140. |
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| 作者姓名： | 潘素娟 林丽钦 |
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| 作者单位： | [1]福建商业高等专科学校基础部,福建福州350012 [2]莆田学院数学系,福建莆田351100 |
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| 基金项目： | 国家自然科学基金资助项目（11001142）;福建省教育厅资助项目（JB11173）;莆田学院教育教学改革资助项目（JG201112） |
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| 摘 要： | 在概率统计中，自由度是一个很重要的概念．本文通过对数学和医用统计中自由度的研究并将其运用于解决实际生活中的事例，以一种通俗易懂的方式说明了自由度在数学和医用统计中的应用意义．
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| 关 键 词： | 自由度消 X^2分布 T分布 F分布 抽样调查 |
The Understanding and Application of Degrees of Freedom in the Probability and Statistics |
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| PAN Su-jua,LIN Li-qin.The Understanding and Application of Degrees of Freedom in the Probability and Statistics[J].Songliao Journal (Natural Science Edition),2013(4):138-140. |
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| Authors: | PAN Su-jua LIN Li-qin |
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| Institution: | 1 Department of Foundation, Fujian Commercial College,Fuzhou 350012, China 2. Department of Mathematics, Putian University, Putian 351100, China) |
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| Abstract: | Nowadays, the degrees of freedom plays per based onthe study of the degrees of freedom of cases in the real life, then explain the application a very important concept in probability and statistics. This pamathematical and medical statistics , and applies it to solve the significance of degrees of freedom in mathematics and real life in a easy way. |
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| Keywords: | degrees of freedom X2 distribution T distribution F distribution sampling survey |
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