Table 2 Mann–Whitney U-test (bottom/left) and Kruskal–Wallis test (top/right) for n-alkane compound δ13C.

From: Ecological stability of Late Pleistocene-to-Holocene Lesotho, southern Africa, facilitated human upland habitation

 

n

Mean ± StDeva

C29

C31

C33

All C29

16

−30.9 ± 1.6

0.227

0.001

All C31

15

−30.2 ± 2.4

0.235

0.003

All C33

14

−28.8 ± 1.7

0.001

0.003

Pleistocene C29

7

−31.6 ± 0.8

0.718

0.004

Pleistocene C31

6

−31.7 ± 0.6

0.772

0.004

Pleistocene C33

6

−30.0 ± 0.4

0.005

0.005

Holocene C29

9

−30.3 ± 1.9

0.250

0.043

Holocene C31

9

−29.3 ± 2.7

0.268

0.083

Holocene C33

8

−27.8 ± 1.6

0.005

0.092

  1. aMean reported as ‰ vs. VPDB.