If the estimated slope coefficient b^ = -2.50 and the standard error for the slope coefficient is 0.50, which of the following is true?
A) The t-statistic for the slope coefficient is -5.0.
B) The t-statistic for the slope coefficient is -0.2.
C) The P-value for the slope coefficient is -0.2.
D) The P-value for the slope coefficient is -5.0.
A) The t-statistic for the slope coefficient is -5.0.
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Europeans who first saw the way South Pacific islanders maintained their gardens thought they were simply lazy. Why do they really allow their gardens to grow in such a messy state?
A) The jumbled roots minimize erosion in the loose volcanic soil. B) They spend most of their days foraging, and don’t have time to maintain tidy gardens. C) Islanders believe their gardens should look as much like the jungle as possible. D) They had only recently discovered horticulture, and their methods were still unrefined.
What has ethnographic research aimed at examining the Green Revolution found?
A. This revolution is proceeding smoothly in many Third World countries, providing much needed food for the lower classes, especially the small farmers. B. The innovations have created a number of unintended social and economic problems, such as widening the gap between the rich and the poor. C. Many of the genetically engineered plants and animals do not survive and reproduce in different climates and geographical locations. D. Individuals in cultures other than the West have found that the mechanization of agriculture leaves them with too much free time, and as a result crime and drug addiction increase exponentially.
Which of the following statements about self-awareness is correct? a. Human do not have the ability for self-awareness at birth
b. Self-awareness does not develop as fully in less technologically advanced societies. c. Self-awareness is the ability to advocate the moral importance of one's actions. d. Not all humans have self-awareness; it is culturally conditioned.
People with "bilateral kinship" generally:
A) ?reside in nuclear families. B) ?recognize their mother's and father's families as kin. C) ?only consider their father's family as kin. D) ?only consider their mother's family as kin.