学科分类

已选分类 管理学工商管理
单选题Although parapsychology is often considered a pseudoscience, it is in fact a genuine scientific enterprise, for it uses scientific methods such as controlled experiments and statistical tests of clearly stated hypotheses to examine the questions it raises. The conclusion above is properly drawn if which of the following is assumed?
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单选题抽样推断的两类重要问题是( )。 A.点估计和区间估计 B.单侧检验和双侧检验 C.参数估计和假设检验 D.总体与样本
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单选题下列分组中属于按品质标志分组的是( )。 A.学生按考试分数分组 B.产品按品种分组 C.企业按计划完成程度分组 D.家庭按年收入分组
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单选题How many integers n are there such that r<n<s? (1)s-r=5 (2)r and s are not integers.
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单选题What is the units digit of (13)4(17)2(29)3? (A) 9 (B) 7 (C) 5 (D) 3 (E) 1
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单选题If p and q are positive integers, what is the value of q? (1)qp-1=1 (2)p=1
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单选题A merchant sells an item at a 20 percent discount, but still makes a gross profit of 20 percent of the cost. What percent of the cost would the gross profit on the item have been if it had been sold without the discount?
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单选题总量指标按反映总体的内容不同,可分为( )。 A.时期指标和时点指标 B.总体单位总量和总体标志总量 C.数量指标和质量指标 D.实物指标和价值指标
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单选题While driving Oil the expressway, did Robin ever exceed the 55-miles-per-hour speed limit? (1)Robin drove 100 miles on the expressway. (2)Robin drove for 2 hours on the expressway.
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单选题已知某企业产值近年的环比增长速度为7.5/%、9.5/%、6.2/%、4.9/%,则定基增长速度为( )。 A.7.5/%× 9.5/%×6.2/%×4.9/% B.(7.5/%×9.5/%×6.2/%×4.9/%)-100/% C.(107.5/%×109.5/%×106.2/%×104.9/%)-100/% D.107.5/%×109.5/%×106.2/%×104.9/%
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单选题 明确工商行政管理过程特点的意义在于要求工商行政管理人员应具有( )观念。 A、系统管理 B、信息反馈 C、自我约束 D、协调服务
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单选题
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单选题下列项目不反映风险大小的指标是:
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单选题All of the following have the same number of distinct prime factors EXCEPT
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单选题A new law gives ownership of patents—documents providing exclusive right to make and sell an invention—to universities, not the government, when those patents result from government-sponsored university research. Administrators at Logos University plan to sell any patents they acquire to corporations in order to fund programs to improve undergraduate teaching. Which of the following, if true, would cast most doubt on the viability of the college administrators" plan described above?
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单选题普查是专门组织的( )。 A.一次性全面调查 B.一次性重点调查 C.经常性全面调查 D.经常性重点调查
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单选题The participants in a race consisted of 3 teams with 3 runners on each team. A team was awarded 6-n points if one of its runners finished in nth place, where 1≤n≤5. If all of the runners finshed the race and if there were no ties, was each team awarded at least one point? (1)No team was awarded more than a total of 6 points. (2)No pair of teammates finished in consecutive places among the top five places. (A) 条件(1)充分,但条件(2)不充分. (B) 条件(2)充分,但条件(1)不充分. (C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. (D) 条件(1)充分,条件(2)也充分. (E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.
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单选题Point(x,y)hasinwhichquadrantoftherectangularcoordinatesystemshownabove?(1)x+y<0(2)x=1andy=-7
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单选题统计资料是统计工作的( )。 A.表现 B.成果 C.文字表示 D.数字结果
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单选题A researcher studying drug addicts found that, on average, they tend to manipulate other people a great deal more than no addicts do. The researcher concluded that people who frequently manipulate other people are likely to become addicts. Which of the following, if true, most seriously weakens the researcher"s conclusion?
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