皮皮学,免费搜题
登录
搜题
【单选题】
对样本中某一变量的综合描述叫( )
A.
统计量
B.
平均值
C.
估计值
D.
总体参数
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Pricing objectives expressed as a percentage return on investment or sales are termed:
A.
volume objective
B.
sales maximization
C.
target return goals
D.
market share objectives
【简答题】销售收益率(return 0n sales)
【单选题】An improvement in eithercapital turnover or return on sales, without changing the other, will alsoimprove the:
A.
level of sales
B.
cost of capital
C.
net book value
D.
rate of return on invested capital
【多选题】多选题:能满足加工要求且不会使工件无法安装或变形的定位是( )。
A.
完全定位
B.
欠定位
C.
不完全定位
D.
过定位
【单选题】The highest pressure in any closed diesel engine freshwater cooling system is at the _____.
A.
jacket water outlet
B.
expansion tank inlet
C.
heat exchanger inlet
D.
cooling water pump outlet
【判断题】Returns can only be measured in accounting terms such as return on assets, return on equity, or return on sales.
A.
正确
B.
错误
【简答题】Our Sales Confirmation No.BC510 ______ two originals were airmailed to you.Please sign and return one copy of them ______ our file.
【判断题】Return on sales =revenue / income.
A.
正确
B.
错误
【单选题】If the coolant temperature of a closed cooling water system for a diesel enginegradually increases, the trouble usually is( ).
A.
a broken shaft on the freshwater pump
B.
an excessive accumulation of scale in the heat exchanger
C.
an incorrect thermostatic element operating range
D.
lube oil in the cooling water
【简答题】Our sales confirmation No. BC510 in two (8) were airmailed to you. Please sign and return one copy of them for our (9) .
相关题目: