<?xml version="1.0" encoding="UTF-8"?><toc><section id="sec_foreword"><title>Foreword</title></section><section id="sec_intro"><title>Introduction</title></section><section id="sec_1"><label>1</label><title>Scope</title></section><section id="sec_2"><label>2</label><title>Normative references</title></section><section id="sec_3"><label>3</label><title>Terms and definitions</title></section><section id="sec_4"><label>4</label><title>Overview of the different approaches</title></section><section id="sec_5"><label>5</label><title>Amount of data</title></section><section id="sec_6"><label>6</label><title>Data comparisons</title></section><section id="sec_7"><label>7</label><title>Comparison of arithmetic means of two independently obtained sets of data</title></section><section id="sec_8"><label>8</label><title>Comparison of population and sample arithmetic means</title></section><section id="sec_9"><label>9</label><title>Analysis of variance</title></section><section id="sec_10"><label>10</label><title>Determination of the equivalence of analytical results obtained from samples from different matrices</title><section id="sec_10.1"><label>10.1</label><title>General</title></section><section id="sec_10.2"><label>10.2</label><title>Determination of the equivalence of the analytical results of real samples using orthogonal regression</title><section id="sec_10.2.1"><label>10.2.1</label><title>Single/replicated determinations</title></section><section id="sec_10.2.2"><label>10.2.2</label><title>Working range</title></section><section id="sec_10.2.3"><label>10.2.3</label><title>Orthogonal regression</title></section><section id="sec_10.2.4"><label>10.2.4</label><title>Test for systematic deviations</title><section id="sec_10.2.4.1"><label>10.2.4.1</label><title>General</title></section><section id="sec_10.2.4.2"><label>10.2.4.2</label><title>Test for proportionally systematic deviations</title></section><section id="sec_10.2.4.3"><label>10.2.4.3</label><title>Test for constant-systematic deviations</title></section></section></section><section id="sec_10.3"><label>10.3</label><title>Evaluation according to the difference method</title><section id="sec_10.3.1"><label>10.3.1</label><title>Formation of the differences</title></section><section id="sec_10.3.2"><label>10.3.2</label><title>Determination of equivalence (paired t-test)</title></section></section></section><section id="sec_11"><label>11</label><title>Reporting</title></section><section id="sec_A"><label>Annex A</label><title>Statistical tables (informative)</title></section><section id="sec_B"><label>Annex B</label><title>Example of a comparison of arithmetic means of two independently obtained sets of data (informative)</title></section><section id="sec_C"><label>Annex C</label><title>Example of a comparison of population and sample arithmetic means (informative)</title></section><section id="sec_D"><label>Annex D</label><title>Example of an analysis of variance (informative)</title></section><section id="sec_E"><label>Annex E</label><title>Examples of a comparison of results from samples of different matrices (informative)</title><section id="sec_E.1"><label>E.1</label><title>Introduction</title></section><section id="sec_E.2"><label>E.2</label><title>Orthogonal regression</title><section id="sec_E.2.1"><label>E.2.1</label><title>Example</title></section><section id="sec_E.2.2"><label>E.2.2</label><title>Outliers</title></section><section id="sec_E.2.3"><label>E.2.3</label><title>Orthogonal regression</title></section></section><section id="sec_E.3"><label>E.3</label><title>Difference method</title><section id="sec_E.3.1"><label>E.3.1</label><title>Difference method where concentration levels may be different</title><section id="sec_E.3.1.1"><label>E.3.1.1</label><title>Example</title></section><section id="sec_E.3.1.2"><label>E.3.1.2</label><title>Outliers</title></section><section id="sec_E.3.1.3"><label>E.3.1.3</label><title>Paired t-test</title></section></section><section id="sec_E.3.2"><label>E.3.2</label><title>Difference method where concentration levels are similar</title></section></section></section><section id="sec_F"><label>Annex F</label><title>Illustrative examples of graphic plots (informative)</title></section><section id="sec_G"><label>Annex G</label><title>Schematic diagrams (informative)</title></section><section id="sec_bibl"><title>Bibliography</title></section></toc>