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Table 2. Range of observations of the prevalence of aircraft noise annoyance (281 aircraft noise observations from augmented database of Fidell et al.,1991; means and standard deviations calculated in intervals of �2.5 dB centred on tabled DNL values).

Table 2. Range of observations of the prevalence of aircraft noise annoyance (281 aircraft noise
observations from augmented database of Fidell et al.,1991; means and standard deviations calculated
in intervals of 2.5 dB centred on tabled DNL values).