Which of the following is best describes the current position on the role of humans in megafaunal extinctions?
a. Humans likely played only a small role in this event.
b. Humans and disease played an equal role in this event.
c. Human overhunting was the primary cause.
d. They were likely the result of an extreme period of cold at the end of the Ice Age.
e. Paleo-Indian groups hunted and collected one species of animals, leading to the extinction.
a
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All of the following are true regarding the standard error of a coefficient except which one?
A) The standard error reflects the fact that the estimated coefficients have random element. B) The standard error requires regression equations to be reestimated. C) The standard error of a coefficient measures how much the estimated coefficient is likely to change if another set of data is used to reestimate the regression. D) A small standard error suggests that the estimated coefficient is likely to be close to the true value.
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Indicate whether the statement is true or false.
Why should the numbers from Kinsey's research be considered merely illustrative, rather than statistically accurate?
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