Fig. 6: Boxplot of complete flake length by layer for Laili Squares C, D, and E. | Nature Communications

Fig. 6: Boxplot of complete flake length by layer for Laili Squares C, D, and E.

From: Abrupt onset of intensive human occupation 44,000 years ago on the threshold of Sahul

Fig. 6

Black bars show the median value, boxes the interquartile range, whiskers show 1.5× the interquartile range. Circles represent outliers >1.5–3× the interquartile range, asterisks represent outliers >3× the interquartile range. Layer 20 n = 171, Layer 19 n = 125, Layer 18 n = 173, Layer 17 n = 209, and Layer 16 n = 128 individual artefacts. Source data are provided in the Source Data file.

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