• Auto noise filtersDownload .TXT file Open in Data Desk ?Link
  • Methods: Analysis of Variance
  • Source: unknown
  • Number of Cases: 35
  • Story:

    In a statement to a Senate Public Works Committee, a senior executive of Texaco, Inc., cited a study on the effectiveness of auto filters on reducing noise. Because of concerns about performance, two types of filters were studied, a standard silencer and a new device developed by the Associated Octel Company. Noise is in decibels/10. Type 1 = standard, Type 2 = Octel.

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