TY - JOUR T1 - On the Conditions under Which the "Probable Errors" of Frequency Distributions Have a Real Significance JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 92 IS - 634 SP - 23 EP - 41 PY - 1915/10/01/ UR - http://dx.doi.org/10.1098/rspa.1915.0051 M3 - doi:10.1098/rspa.1915.0051 AU - Isserlis, L. ER -