Statistical Concepts In Metrology

File : pdf, 2.64 MB, 47 pages Download : http://artikel-software.com/blog TOC Statistical Concepts of a Measurement Process Arithmetic Numbers and Measurement Numbers Computation and Reporting of Results Properties of Measurement Numbers The Limiting Mean Range, Variance, and Standard Deviation Population and the Frequency Curve The Normal Distribution Estimates of Population Characteristics Interpretation and Computation of Confidence Interval and Limits Precision and Accuracy Index of Precision Interpretation of Precision Accuracy Statistical Analysis of Measurement Data Algebra for the Manipulation of Limiting Means and Variances Basic Formulas Propagation of Error Formulas Pooling Estimates of Variances Component of Variance Between Groups Comparison of Means and Variances Comparison of a Mean with a Standard Value Comparison Among Two or More Means Comparison of Variances or Ranges Control Charts Technique for Maintaining Stability and Precision Control Chart for Averages Control Chart for Standard Deviations Linear Relationship and Fitting of Constants by Least Squares Postscript on Statistical Graphics Plots for Summary and Display of Data Stem and Leaf Box Plot Plots for Checking on Models and Assumptions Residuals Adequacy of Model Testing of Underlying Assumptions Stability of a Measurement Sequence Concluding Remarks