ISO 16269-6 PDF

Partie 6: Détermination des intervalles statistiques de dispersion. STANDARD. ISO. Second edition. Reference number. STANDARD. ISO. Second edition. Reference number. ISO (E). This is a free 6 page sample. Access the full version online. Purchase your copy of BS ISO as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards.

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This page was iwo edited on 11 Juneat Search all products by. Worldwide Standards We can source any standard from anywhere in the world. It was noted that the log-transformed lead levels fitted a normal distribution well that is, the data are from a lognormal distribution.

162669-6 22 February Correlation Regression analysis Correlation Pearson product-moment Partial correlation Confounding variable Coefficient of determination. Determination of statistical tolerance intervals Status: We use cookies to make our website easier to use and to better understand your needs. Please download Chrome or Firefox or view our browser tips.

BS ISO 16269-6:2014

Company organization, management and quality. By using this site, you agree to the Terms of Use and Privacy Policy. A tutorial on tolerance intervals for ordinary least-squares regression”. For that job, a prediction interval would be much more useful. Views Read Edit View history. This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. A tolerance interval is a statistical interval within which, with some confidence level, a specified proportion of a sampled population falls.


You can help by adding to it. Now suppose we want to predict the air lead level at a particular area within the laboratory. Engineering concepts Statistical intervals Statistical forecasting. The prediction interval only bounds a single future sample, however, whereas a tolerance interval bounds the entire population equivalently, an arbitrary sequence of future samples.

The faster, easier way to work with standards. A confidence interval for mu can be constructed the usual way, based on the t -distribution ; this in turn will provide a confidence interval for the median air lead level. Chemometrics and Intelligent Laboratory Systems. A two-sided prediction interval can be similarly computed. The tolerance interval is less widely known than the confidence interval and prediction intervala situation some educators have lamented, as it can lead to misuse of the other intervals where a tolerance interval is more appropriate.

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Sampling stratified cluster Standard error Opinion poll Questionnaire. Theory, Applications, and Computation. Observational study Natural experiment Quasi-experiment. Determination of statistical tolerance intervals”. Charts, Data representation, Statistical tables, Confidence limits, Statistical methods of analysis, Tables dataStatistical isk intervals, Estimation, Mathematical calculations, Distribution free tests, Variance, Standard deviation, Statistical testing, Data analysis, Experimental data, Normal distribution.


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One-sided normal tolerance intervals have an exact solution in terms of the sample mean and sample variance based on io noncentral t -distribution. Simple linear regression Ordinary least squares General linear model Bayesian iao. In other words, a prediction interval covers a specified proportion of a population on averagewhereas a tolerance interval covers it with a certain confidence levelmaking the tolerance interval more appropriate if a single interval is intended to bound multiple future samples.

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What is required is a tolerance interval; more specifically, an upper tolerance limit. So consider once again a proverbial EPA mileage test scenario, in which several nominally identical autos of a particular model are tested to produce mileage figures y 1y 2. Accept and continue Learn more about the cookies we use and how to change your settings.

Take the smart route to manage medical device compliance. Category Portal Commons WikiProject. You may 16269–6 similar items within these categories by selecting from the choices below:. We note that exp mu is the median air lead level.