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Division 1.3 Number of detentions in relation to total number of inspections over a three-year period

United Kingdom

Original text. Later amendments are not shown.

being

Ul = N · p + 0,5 + z · [N · p · (1 – p)]1/2

where

n

  • number of detentions

    • Ul

  • threshold low performance

    • N

  • total number of inspections (minimum number = 60)

    • p

  • fixed yardstick = 0,05

    • z

  • statistical significance factor = 1,645

    1. 1.3.1Paris MOU
    2. 1.3.2US Coast Guard
    3. 1.3.3Tokyo MOU