1 Scope
2 Normative references
3 Calculation of percentiles of hearing
threshold distribution
Annex A (informative) - Numerical examples to
illustrate the procedure
Annex B (informative) - Selected values of the
statistical distribution of hearing
thresholds
Annex C (informative) - Selected values of Z[x]
Annex D (informative) - Notes on the derivation of
the statistical distribution of normal
hearing thresholds
Bibliography