Statistical interpretation of data — Tests for departure from the normal distribution
Statistical interpretation of data — Tests for departure from the normal distribution
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ISO 5479:1997 - Statistical interpretation of data - Tests for departure from the normal distribution provides guidance on selecting and applying tests to decide whether a sample can be treated as coming from a normal distribution. The standard covers graphical methods, moment- and regression-based tests, characteristic-function tests and joint/multidirectional procedures. It is intended for complete (uncensored, ungrouped) data sets of size eight or greater and supplements statistical methods that assume normality.
Keywords: ISO 5479:1997, tests for normality, normal distribution, normal probability plot, Shapiro–Wilk, Epps–Pulley, tests for departure from normality
Scope and applicability
Categories of methods
Statistical practice
ISO 5479 is practical for:
Practical uses include checking measurement distributions, verifying assumptions in conformity assessment, and guiding data transformation or subgrouping when mixtures or systematic departures are evident.
ISO 5479:1997 is a reference for anyone needing standardized, practical procedures to assess departures from normality in ungrouped data.
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