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Appendix E Supporting information for interpreting survey results and tables of statistical data

The interpretation of survey results is often supported by statistics. In this appendix guidance is provided to apply the following statistical tests:

  • Sign Test. The sign test is a non-parametrical statistical test that can be applied at survey data sets;
  • Wilcoxon Rank Sum test. The Wilcoxon Rank Sum test is also a non-parametrical statistical test that can be applied at survey data sets;

Further guidance is provided for interpreting the results in the case of a contamination caused by single or multiple nuclides.