PROBABLE ERROR
\pɹˈɒbəbə͡l ˈɛɹə], \pɹˈɒbəbəl ˈɛɹə], \p_ɹ_ˈɒ_b_ə_b_əl ˈɛ_ɹ_ə]\
Definitions of PROBABLE ERROR
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The error associated with providing estimates for a sample that is from a normal distribution. It is the product of the standard error and 0.6745.
By Henry Campbell Black
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From numerous measures of a given magnitude- all being made under equally favourable circumstances, e.g. by the same observer with the same instrument-a certain number can be calculated in regard to which it can be affirmed that it is an even chance, that the error in any one measure is less than that number, whether in excess or defect. This number is the P. E. of the measures individually ; it serves-amongst other things-as a test of the degree of accuracy attained under the circumstances.
By Henry Percy Smith
