Transient noise levels due to traffic along a highway were measured at 10-min intervals, and the following individual SL readings (in dBA) were taken in sequence: 73, 78, 82, 84, 84, 76, 75, 75, 73, 72, 76, 78, 81, 85, 81, 80, 78, 78, 74. Compute the L10, L50, and L90 sound levels.
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