已选分类
管理学工商管理
单选题若数据的分布比较均匀，应编制( )。 A．异距数列 B．等距数列 C．单项数列 D．组距数列
单选题统计学是一门研究客观事物数量方面和数量关系的( )。 A．社会科学 B．自然科学 C．方法论科学 D．实质性科学
单选题Many plant varieties used in industrially developed nations to improve cultivated crops come from less developed nations. No compensation is paid on the grounds that the plants used are “the common heritage of humanity.” Such reasoning is, however, flawed. After all, no one suggests that coal, oil, and ores should be extracted without payment.
Which of the following best describes an aspect of the method used by the author in the argument above?
单选题构成对企业效率影响的首要因素是：
单选题If M and N are positive integers that have remainders of 1 and 3, respectively, when divided by 6, which of the following could NOT be a possible value of M+N? (A) 86 (B) 52 (C) 34 (D) 28 (E) 10
单选题
单选题2．下列可做乘除运算的是( )。 A．定比数据 B．定名数据 C．定距数据 D．定序数据
单选题1．下列属于原始记录的是( )。 A．班组记录 B．企业报表 C．统计年鉴 D．统计公告
单选题当总体X服从正态分布N(μ，σ2)时，根据( )知道，样本均值也服从正态分布。 A．中心极限定理 B．正态分布的性质 C．抽样分布 D．统计推断
单选题How many people are directors of both Company K and Company R?
(1)There were 17 directors present at a joint meeting of the directors of Company K and Company R, and no directors were absent,
(2)Company K has 12 directors and Company R has 8 directors.
单选题出现次数最多的那个标志值是( )。 A．众数 B．中位数 C．算术平均数 D．几何平均数
单选题当出现特大值或特小值时，应设置( )。 A．闭口组 B．开口组 C．单项数列 D．组距数列
单选题A freight elevator can carry a maximum load of 1200 pounds. Sean, who weighs 200 pounds, is in the elevator with two packages weighing 150 pounds and 280 pounds. If he needs to fit three more packages in the elevator that weigh as much as possible without exceeding the elevator limit, what is the difference between their average and the average of the two packages already in the elevator?
单选题
单选题
单选题If n is a positive integer and k=5.1×10n, what is the value of k? (1)6,000＜k＜500,000 (2)k2=2.601×109
单选题x-y=3 2x=2y+6 The system of equations above has how many solutions?
单选题The level of lead contamination in United States rivers declined between 1975 and 1985. Federal regulations requiring a drop in industrial discharges of lead went into effect in 1975, but the major cause of the decline was a 75 percent drop in the use of leaded gasoline between 1975 and 1985.
Which of the following, if true, best supports the claim that the major cause of the decline in the level of lead contamination in United States rives was the decline in the use of leaded gasoline?
单选题On July 1, 1982, Ms. Fox deposited $10, 000 in a new account at the annual interest rate of 12 percent compounded monthly. If no additional deposits or withdrawals were made and if interest was credited on the last day of each month, what was the amount of money in the account on September 1, 1982?
单选题发展速度的计算方法为( )。 A．报告期水平与基期水平之差 B．报告期水平与基期水平相比 C．增长量与基期水平之差 D．增长量与基期水平相比