Transient noise levels due to traffic along a roadway were measured at 10-min intervals, and the following individual SL readings (in dBA) were taken in sequence: 70, 75, 79, 81, 81, 73, 72, 71, 69, 68, 72, 75, 78, 82, 77, 76, 75, 74, 73. Compute the L10, L50, and L90 sound levels.
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