# The Measuring Container Bottles (EEC Requirements) Regulations 1977, Paragraph 3.1.4


Calculation of the mean value
Calculate as follows:
— the sum of the 35 actual capacity measurements
— the mean value of the 35 measurements
— the sum of the squares of the 35 measurements
— the square of the sum of the 35 measurements
— the corrected sum:
— the estimated variance:
Hence the estimated standard deviation:

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Source: https://www.legislation.gov.uk/uksi/1977/932/schedule/3/paragraph/3.1.4 (the official version)
Page: https://openlegislation.uk/measuring-container-bottles-eec-requirements-regulations-1977/schedule-3/paragraph-3.1.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.