# Council Directive of 19 December 1974 on the approximation of the laws of the Member States relating to bottles used as measuring containers (75/107/EEC), Division 3.2.1: Calculate as follows (see 3.2.4):

Extent: E+W+S+N.I.

3.2.1.1. the average x — of the actual capacities x of the bottles in the sample,
3.2.1.2. the average range R — of the actual capacities xi of the bottles in the sample.

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Source: https://www.legislation.gov.uk/eudr/1975/107/annex/II/division/3/division/3.2/division/3.2.1 (the official version)
Page: https://openlegislation.uk/eu-directive-1975-107/annex-II/division-3/division-3.2/division-3.2.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.