解析 A A parameter is any descriptive measure of a population characteristic. The population variance describes a population while the sample standard deviation, sample mean, and sample mode are each descriptive measures of samples.反馈 收藏
结果1 题目Whichofthefollowingdescribestheword“population”:A)Animalsfromthesamespecies(sametypeofanimal)B)DifferentanimalslivingtogetherC)AgroupofthesametypeofanimalthatlivesneareachotherAnimalsthatlivetogether 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
Which of the following best describes the relationship between predators and prey in an ecosystem? A. Predators always outnumber prey. B. The presence of predators has no effect on prey population. C. An increase in predator population may lead to a decrease in prey population. D. Prey are...
Type B personality is characterized by a relaxed, patient, and easy-going nature. ... People with Type B personality tend to be more tolerant of others, are
feudalism:a political and economic system based on the relationship of a lord to people of lower status, who owed service and/or goods to the lord in exchange for the use of land.Which of the following best describes the organization of paragraph 2 ...
【答案】(1)It describes the north-eastern part of the central plain,or the north-eastern quarter of the United States except for the states close to the Atlantic. (2)In terms of political geography,it refers to these states:Illinois,Michigan, Indiana,Wisconsin and Ohio and so on. (3)Firs...
Which of the following best describes how the evolution of predators affects the ecosystem? A. It always leads to the extinction of prey species B. It can control the population of prey species and maintain ecological balance C. It has no impact on the diversity of other species in the ...
B“Multicultural” describes a society in which peo-ple from many different cultures live together in har-mony(和谐). A According to new research,26% of the population was born overseas and a fur-ther 20% had at least one parent born overseas. Ab-original(土著的)Australians make up about...
Choice B describes how this theme continues to play out in the life of Tolstoy’s main character. Therefore, choice B is the best answer. Fear is a normal, legitimate response to genuine danger. However, when fear spirals out of control, becoming persistent and irrational, it constitutes a ...
According to the World Wildlife Fund, the global black rhino population has dropped as low as 5500, giving the rhinos a "critically endangered" status. (1) Which of the following best describes the breeding programme? A . Costly. B . Controversial. C . Ambitious. D . Successful. (2) ...