Page 91 - IJPS-7-2

International Journal of
Population Studies Modeling archaeological mortuary assemblages

P‑value 0.390 0.373 0.015 0.865 0.881 0.407 0.741 0.757 0.226 0.136 0.136 0.136
Table 3. Comparisons of sacrifice assemblages to reference mortality schedule of small‑scale horticulturalists at the 5 th percentile of the Monte‑Carlo modeled p.

Z −0.860 0.887 2.441 −0.169 0.154 0.832 0.329 −0.309 −1.214 −1.493 −1.493 −1.493 8.840 0.700
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 0.335 0.173 0.041 0.128 0.077 0.031 0.031 0.031 0.032 0.037 0.039 0.046

n observed 23 12 3 9 5 2 2 2 2 3 3 3 Chi-square P-value

P‑value 0.007 0.424 0.638 0.005 0.014 0.171 0.061 0.025 0.008 0.060 0.060 0.038

Midnight Terror Cave Z Proportion 2.703 0.128 0.802 0.198 0.465 0.157 2.792 0.036 2.452 0.021 −1.368 0.103 −1.867 0.082 −2.244 0.082 −2.647 0.086 −1.882 0.033 −1.882 0.035 −2.066 0.041 12.418 0.400

observed 20 31 24 5 3 16 13 13 13 5 5 6 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 expected Proportion Chichen expected Itza MTC 13 0.262 12 0.245 9 0.176 6 0.124 4 0.085 3 0.054 2 0.031 1 0.015 0 0.006 0 0.001 0 0.000 0 0.000

n expected MTC 28 26 19 13 9 6 3 2 1 0 0 0

5 th percentile monte‑carlo modeled P (observation) 3.29 1.70 1.42 1.10 1.06 1.06 1.05 1.06 1.10 1.27 1.35 1.57

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) 85 https://doi.org/10.36922/ijps.v7i2.300