Page 92 - IJPS-7-2

International Journal of
Population Studies Modeling archaeological mortuary assemblages

P‑value 0.050 0.347 0.000 0.165 0.238 0.101 0.441 0.960 0.535 0.073 0.073 0.038
Table 4. Comparisons of sacrifice assemblages to reference mortality schedule of small‑scale horticulturalists at the 50 th percentile of the Monte‑Carlo modeled p.

Z −1.963 0.942 4.122 1.389 1.178 1.642 0.775 −0.046 −0.622 −1.787 −1.787 −2.069 25.178 0.010
Observed and expected counts are given for every age cohort and Z‑score and P values given for the statistical differences between observed and expected
Chichen Itza Proportion 0.402 0.182 0.035 0.107 0.064 0.025 0.025 0.025 0.027 0.030 0.035 0.042

n observed 35.349 15.979 3.061 9.431 5.601 2.240 2.226 2.231 2.344 2.669 3.061 3.669 Chi-square P-value

P‑value 0.048 0.749 0.395 0.002 0.004 0.204 0.124 0.024 0.005 0.057 0.038 0.024

Midnight Terror Cave Z Proportion 1.979 0.166 0.321 0.224 0.854 0.142 3.093 0.032 2.888 0.018 −1.269 0.092 −1.541 0.073 −2.264 0.073 −2.802 0.077 −1.896 0.029 −2.080 0.033 −2.251 0.040 15.375 0.200

observed 30 41 26 6 3 17 13 13 14 5 6 7 Chi-square P-value
n

Proportion expected Chichen Itza 0.262 0.245 0.176 0.124 0.085 0.054 0.031 0.015 0.006 0.001 0.000 0.000

Gurven‑Kaplan reference mortality n Proportion expected expected Chichen MTC Itza 24 0.262 22 0.245 16 0.176 11 0.124 8 0.085 5 0.054 3 0.031 1 0.015 1 0.006 0 0.001 0 0.000 0 0.000

n expected MTC 33 31 23 16 11 7 4 2 1 0 0 0

50 th percentile monte‑carlo modeled P (observation) 5.05 2.28 1.53 1.18 1.12 1.12 1.11 1.12 1.17 1.33 1.53 1.83

Age 0 – 1 3 – 5 6 – 10 11 – 15 16 – 20 21 – 25 26 – 30 31 – 35 36 – 40 41 – 45 46 – 50 >51

Volume 7 Issue 2 (2021) 86 https://doi.org/10.36922/ijps.v7i2.300