已选分类
管理学工商管理
单选题标志值较大的一组，其权数较大时，则算术平均数( )。 A．接近标志值较小的一组 B．接近标志值较大的一组 C．不受权数影响 D．仅受标志值影响
单选题
单选题Theconcentrationofacertainchemicalinafullwatertankdependsonthedepthofthewater.Atadepththatisxfeetbelowthetopofthetank,theconcentrationis3partspermillion，where0＜x＜4.Tothenearest0.1foot,atwhatdepthistheconcentrationequalto6partspermillion?
单选题Inacertainclassconsistingof36students,someboysandsomegirls,exactlyoftheboysandexactlyofthegirlswalktoschool.Whatisthegreatestpossiblenumberofstudentsinthisclasswhowalktoschool?(A)9(B)10(C)11(D)12(E)13
单选题Which of the following, if true, casts most doubt on the relevance of the survey results described above for drawing conclusions about illegal drug use in the teen-age population as a whole?
单选题下列指标中，属于相对数的是( )。 A．某企业的工人劳动生产率 B．某种商品的平均价格 C．某地区按人口平均的粮食产量 D．某公司的人均工资
单选题Holiday receipts—the total sales recorded in the fourth quarter of the year—determine the economic success or failure of many retail businesses. Camco, a retailer selling just one camera model, is an excellent example. Camco"s holiday receipts, on average, account for a third of its yearly total receipts and about half of its yearly profits.
If the statements above are true, which of the following must also be true about Camco on the basis of them?
单选题Inacertainflowershop,whichstocksfourtypesofflowerthereareasmanyvioletsascarnation，andasmanytulipsasviolets．Ifthereareequalnumbersofrosesandtulips，whatpercentoftheflowersintheshoparecarnations?
单选题Manager: Accounting and Billing are located right next to each other and the two departments do similar kinds of work; yet expenditures for clerical supplies charged to Billing are much higher. Is Billing wasting supplies?
Head of Billing: Not at all.
Which of the following, if true, best supports the position of the Head of Billing?
单选题对某地区工业企业职工进行调查，调查对象是( )。 A．各工业企业 B．各工业企业的全体职工 C．一个工业企业 D．每位职工
单选题在编制我国物价指数时，一般采用的权数是( )。 A．统计报表资料 B．抽样调查资料 C．零点调查资料 D．典型调查资料
单选题在假设检验中，根据显著性水平便可确定接受还是否定原假设的界限。如宁可取伪而不弃真( )。 A．可将α设定大些 B．可将α设定小些
单选题在假设检验中，若抽样单位数不变，显著性水平从0.01提高到0.1，则犯第二类错误的概率( )。 A．也将提高 B．不变 C．将会下降 D．无法判断
单选题若二阶差分大体相同，则应配合( )。 A．直线方程 B．指数方程 C．抛物线方程 D．对数方程
单选题某计划单列市2001年末有人口750万人，零售商业网点3万个，则该市的商业网点密度指标是( )。 A．2.5千人/个 B．250人/个 C．0.25个/千人 D．250个/人
单选题按投资与企业生产经营的关系，投资可分为：
单选题On a purchase of $120， a store offered a payment plan consisting of a $20 down payment and 12 monthly payments of $10 each. What percent of the purchase price， to the nearest tenth of a percent, did the customer pay in interest by using this plan? (A) 16.7% (B) 30% (C) 75.8% (D) 106.7% (E)107.5%
单选题Inthediagramabove,pointsA,B,C,D,andErepresentthefiveteamsinacertainleagueinwhicheachteammustplayeachoftheotherteamsexactlyonce.Thesegmentsconnectingpairsofpointsindicatethatthetwocorrespondingteamshavealreadyplayedtheirgame.Thearrowsonthesegmentspointtotheteamsthatlost;thelackofanarrowonasegmentindicatesthatthegameendedinatie.Afterallgameshavebeenplayed,whichofthefollowingcouldNOTbethepercentofgamesplayedthatendedinatie?
单选题
在市场上，出售国家保护的野生动物或者其产品的，没收违法所得，处以相当于实物价值（ ）的罚款。
A、1倍以上 B、1—5倍 C、1—10倍 D、10倍以下
单选题Acomputergeneratesnon-zeronumbersforthefigureabovesothattheproductofthenumbersalonganyverticalcolumnisequaltotheproductofthenumbersinanyhorizontalrow.Whatnumberdoes8represent?(1)uequals6.(2)tequals2.