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Table 2.

Teacher version of the Master Data Table that students use to record their data and begin exploratory analyses.

Skull Letter CodeFL (S, L)SC (+,–)BR (+,–)P/S (+,–)CL (+,–)FB (mm)Class AVG FBSL (mm)Class AVG SLFMI (FB/SL)Class FMI (AVG FB/ AVG SL)CC (2, 3, 4 “fists”)CCC (CC × 300 cm3)ACC (cm3)Age
55  180  0.286  1200 1300–1400 160,000 to present 
 55  210  0.262  1200 1400–1500 200,000 to 30,000 years ago 
48  190  0.253  900 850–1200 1.8 to 0.2 mya 
45  190  0.237  900 700–1100 1.9 to 1.5 mya 
34  154  0.221  600 600–700 2.4. to 1.6 mya 
 38  175  0.217  600 400–500 3 to 2.4 mya 
43  207  0.208  600 400–500 2.2 to 1.0 mya 
 34  165  0.206  600 300–500 3.5 to 3.3 mya 
30  158  0.190  600 375–550 4 to 2.7 mya 
Skull Letter CodeFL (S, L)SC (+,–)BR (+,–)P/S (+,–)CL (+,–)FB (mm)Class AVG FBSL (mm)Class AVG SLFMI (FB/SL)Class FMI (AVG FB/ AVG SL)CC (2, 3, 4 “fists”)CCC (CC × 300 cm3)ACC (cm3)Age
55  180  0.286  1200 1300–1400 160,000 to present 
 55  210  0.262  1200 1400–1500 200,000 to 30,000 years ago 
48  190  0.253  900 850–1200 1.8 to 0.2 mya 
45  190  0.237  900 700–1100 1.9 to 1.5 mya 
34  154  0.221  600 600–700 2.4. to 1.6 mya 
 38  175  0.217  600 400–500 3 to 2.4 mya 
43  207  0.208  600 400–500 2.2 to 1.0 mya 
 34  165  0.206  600 300–500 3.5 to 3.3 mya 
30  158  0.190  600 375–550 4 to 2.7 mya 

Note: Abbreviations are defined in the  Appendix. Fields in the CL for N, A, and K are blacked out because there are no canine teeth present in the specimens.

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