If the P-value for an estimated slope coefficient is 0.025, using 95 percent confidence, which of the following is true?
A) Reject the alternative hypothesis that the true value of the slope coefficient equals zero.
B) Fail to reject the null hypothesis that the true value of the slope coefficient equals zero.
C) Fail to reject the alternative hypothesis that the true value of the slope coefficient equals zero.
D) Reject the null hypothesis that the true value of the slope coefficient equals zero.
D) Reject the null hypothesis that the true value of the slope coefficient equals zero.
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The fact that most stone tools were probably made by right-handed individuals has implications for:
a. the disappearance of the prehensile tail. b. the appearance of agriculture c. the study of brain structure. d. the study of skeletal structure. e. aggressive behavior in humans.
Why does the study of ape language capabilities advance the understanding of human language?
A) Apes are capable of everything short of verbal language, which helps us improve communication with deaf people. B) It is clear that apes can only mimic human sign language, which indicates that human language is truly unique to our lineage. C) Apes have at least some of the capabilities of language, which helps us better understand the evolution of human language. D) Ape language abilities are closer to humans than to other primates, which adds to our knowledge of the human family tree.
What is the term for the systematic killing of a rival population?
a. Forced assimilation b. Genocide c. Relocation d. Accommodation
Because of constant warfare and male dominance, it makes sense that the Kapaukans trace their descent through:
a. male ancestors b. female ancestors c. ancient warriors d. religious deities