Before Deciding Whether to Assess Heavy Fines Against Noisy Airlines

Multiple Choice

Before deciding whether to assess heavy fines against noisy airlines, which sampling method would the Federal Aviation Administration probably use to measure the peak noise from departing jets as measured by a ground-level observer at a point one mile from the end of the departure runway?

A) Radio survey of pilots.
B) Simple random sample.
C) Judgment sample.
D) Stratified sample.