The data in the table below represent the mean, standard deviation, and range of cranial capacity estimates for Homo ergaster/African Homo erectus and Homo erectus/Asian Homo erectus.
African Homo erectus/ergaster
Asian Homo erectus/ergaster
Mean (cc.) Std. Dev. (cc.) Range (cc.)
910
141
804-1067
931
92
815-1059
Do these data suggest that there is a substantial difference between the cranial capacities of the specimens in these two samples? Why or why not? BE SPECIFIC (1 pt)