>Alpha Error Alpha错误 α误差 91.0033
>
>The size of a Type I error or the probability of rejecting a hypothesis that is true.
>
>I型错误，以原假设为真而被拒绝的概率。
表示发生第I类错误（基本假设为真而被拒绝）的概率之大小。
与之对应的概念是β误差，表示发生第II类错误（基本假设为假而被接受）的概率之大小。
在已知风险水平（指α误差/β误差)内，对基本假设是否可接受进行定量评定的方法。
与基本假设相对应的概念是对立假设，比如：
基本假设：萨达姆无罪
对立假设：萨达姆有罪
α误差：萨达姆无罪却被判有罪的概率之大小（又叫厂家风险，表示合格产品被拒收的风险大小，1－α表示系统将好的放行的能力）
β误差：萨达姆有罪却被判无罪的概率之大小（又叫消费者风险，表示不合格产品被接受的风险大小，1－β表示系统将坏的检出的能力）
徐国生（深南电路）
Taiga Xu
QA Engineer
Shenzhen Shennan Circuits Co;Ltd
The Catic Shahe South Industrial Zone Shenzhen China
Tel:+86 755 8609 6478 Cell:+86 135 1063 4289
Fax:+86 755 8609 6378
P.O.Box:Shahe 113,Shenzhen
Postcode:518053
E-mail:[log in to unmask]&msg=898D2BEE-B35B-4E45-9D98-42304723C2EC&start=0&len=19133&src=&type=x">[log in to unmask]
From: Charlotte Hao <[log in to unmask]>
Reply-To: Asia Committe Task Group Forum <[log in to unmask]>, Charlotte Hao <[log in to unmask]>
To: [log in to unmask]
Subject: [TGA] Today's unsure terms for you to review(1227)
Date: Tue, 26 Dec 2006 20:20:08 -0600
>
>
>Dear all,
>
>
>The following terms are today's unsure terms. We are looking forward to get your comments.
>Thank you so much! :-)
>
>
>9 Qulity and Reliability, Fabrication and Assembly 质量和可靠性、制作和组装
>
>91 Process Control/SPC 工艺控制/SPC
>
>
>
>Alpha Error Alpha错误 91.0033
>
>The size of a Type I error or the probability of rejecting a hypothesis that is true.
>
>I型错误，以原假设为真而被拒绝的概率。
>
>
>
>Assignable Cause 不可忽视的原因 91.0059
>
>See "Special Cause."
>
>见“特殊原因”。
>
>
>
>Common Cause 共同的原因 91.0229
>
>A source of variation that affects all the individual values of the output of a process.
>
>影响过程输出所有值的变异源。
>
>
>
>Histogram 直方图 91.0608
>
>A graph that depicts values that were obtained by dividing the range of a data set into equal intervals and that plots the number of data points in each interval. (See Figure H-2.)
>
>将数据范围设置成等间距并以每个间距内的数据点数来绘制数据值而得到的图。
>
>
>
>Hypotheses Test 假设性测试 91.0630
>
>An objective method to determine and quantify, within known levels of risk, whether or not a hypothesis is either accepted or rejected.
>
>无论假设是接收还是拒收，在已知风险水平内，定性和定量的客观测试方法。
>
>
>
>Dentical Processing 等同加工 91.0632
>
>Fabrication that is conducted under conditions that have demonstrated the capability to produce measurable attributes within a narrow band of variability.
>
>表明在有限变异范围内产生可测量特征的能力状况下进行的制作。
>
>
>
>Charlotte 郝宇
>Translator/Technical Resources Assistant
>IPC WOFE, a subsidiary of IPC, Inc.
>爱比西国际科技管理咨询(上海)有限公司
>上海市宜山路711号
>Tel: 021-54973435
>Fax: 021-54973437
>邮编：200233