Figure 8 | Scientific Reports

Figure 8

From: Relationship between container ship underwater noise levels and ship design, operational and oceanographic conditions

Figure 8

Distribution of estimated container ship SL by frequency band.

The number of bins equals the square root of the number of ship transits, with a fitted normal distribution. The skewness (measure of asymmetry of the data around the mean, negative indicated left skew) and kurtosis (measure of outliers, where 3 is considered normal) are shown in the upper left corners.

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