学科分类

已选分类 管理学工商管理
单选题No one can be licensed as an electrician in Parker County without first completing a certain course in electrical safety procedures. All students majoring in computer technology at Parker County Technical College must complete that course before graduating. Therefore, any of the college"s graduates in computer technology can be licensed as an electrician in Parker County. The answer to which of the following would be most helpful in evaluating the argument?
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单选题总标题是统计表的名称,一般写在( )。 A.表的左方 B.表的右方 C.表的上端中部 D.表的上方
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单选题有20个工人看管机器台数资料如下:2,5,4,4,3,4,3,4,4,2,2,4,3,4,6,3,4,5,2,4。如按以上资料编制分配数列,应采用( )。 A.单项式分组 B.等距分组 C.不等距分组 D.以上几种分组均可以
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单选题下四分位数是处于数据( )位置的值。 A.75/% B.40/% C.80/% D.25/%
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单选题调查某市全部工业企业设备的使用状况,则调查对象是( )。 A.全部工业企业 B.每一个工业企业 C.全部工业企业的设备 D.全部工业企业设备的使用情况
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单选题5.分组标志一经确定就( )。 A.掩盖了总体单位在此标志下的性质差异 B.突出了总体单位在此标志下的性质差异 C.突出了总体单位在其他标志下的性质差异 D.使得总体内部的差异消失了
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单选题At a certain state university last term, there were p students each of whom paid either the full tuition of x dollars or half the full tuition. What percent of the tuition paid by the p students last term was tuition from students who paid the full tuition? (1)Of the P students, 20 percent paid the full tuition. (2)The p students paid a total of $91.2 million for tuition last term. (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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单选题风险报酬是指()
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单选题检查产品寿命应使用( )调查方法。 A.普查 B.抽样调查 C.重点调查 D.典型调查
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单选题设某地区有100家独立核算的生产企业,要研究这些企业的产品生产情况,总体单位是( )。 A.每个生产企业 B.100家生产企业 C.每一件产品 D.全部产品
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单选题( )是指企业在一定时期内销售产品或商品,提供劳务等经营活动而取得的各种收入。 A.销售收入 B.劳务收入 C.技术转让收入 D.产品销售收入
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单选题If 1<d<2, is the tenths' digit of the decimal representation of d equal to 9? (1)d+0.01<2 (2)d+0.05>2 (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If n is a positive integer, is the value of b-a at least twice the value of 3n-2n? (1)a=2n+1 and b=3n+1 (2)n=3
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单选题A necklace is made by stringing N individual beads together in the repeating pattern red bead, green bead, white bead, blue bead, and yellow bead. If the necklace design begins with a red bead and ends with a white bead, then N could equal (A) 16 (B) 32 (C) 41 (D) 54 (E) 68
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单选题Dense snow cover can cause unusually harsh weather patterns to persist. If a severe winter storm blankets the Great Plains, the snow cover reflects the sun"s radiation back into space and thus keeps the temperature of the ground tow. Consequently, cold air moving down from Canada remains cold enough to cause more snowstorms. Which of the following is a conclusion that can be properly drawn from the information above?
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单选题质量控制图的目的是 A.及时发现系统性因素 B.及时发现随机性因素 C.及时发现生产过程是否从稳定状态变为不稳定状态 D.及时发现生产中的质量偏差
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单选题下列( )属于地产市场交易规模统计。 A.住宅买卖成交量 B.招标土地出让量 C.非住宅买卖成交量 D.住宅租赁成交量
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单选题假设检验是检验( )的假设值是否成立。 A.样本指标 B.总体指标 C.样本方差 D.样本平均数
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单选题企业投资统计不包括( )。 A.企业投资环境统计 B.资本筹措统计 C.投资方案选择统计 D.投资效果评价统计 E.生态环境统计
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单选题If the sum of the first n positive integers is S,what is the sum of the first n positive even integers, in terms of S?
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