未分类题

某一生产空调的厂家对某一城市居民潜在的空调消费需求量进行调查。假定该市有居民用户100万户，确定计划抽取样本1000个。家庭收入按高、中、低分层，其中高收入户为60万户，中等收入户为20万户，低收入户为20万户。假定其标准差估计值为S，家庭收入高的为300，中等的为200，低等的为100。采用分层最佳抽样法，应抽出各层样本数分别为多少?

【参考答案】

高收入：1000*60*300/24000=750户
中收入：1000*20*200/24000=167户......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)
<上一题 目录 下一题>
热门 试题

未分类题
A商品流通企业采用售价金额核算法，2005年3～4月份发生如下经济业务：(1) 3月1日接受B公司捐赠P商品一批，收到的增值税专用发票注明增值税税率 17%，增值税额3 400万元，A企业支付相关费用8万元。(2) 3月5日经有关部门批准无偿调入M固定资产，调出单位有关资料显示：原价100万元，累计折旧20万元，已计提减值准备30万元。市场上同类固定资产价值70万元，A企业支付安装费6万元，运杂费1万元，包装费0.4万元，保险费0.6万元，专业人员服务费2万元，业务招待费3万元，差旅费2万元。3月10日安装完毕。(3) 3月20日经有关部门批准，无偿调出W固定资产。W固定资产原价900万元，累计折旧700万元，已计提减值准备50万元，调出时支付工人工资6万元，支付其他相关清理费用4万元。(4) 3月31日，盘盈X商品1000件，售价20元 件，进价15元 件，盘亏Z商品200件，售价80元 件，进价50元 件，售价均不含增值税，X、Z商品适用的增值税税率均为 17%，原因尚待查明。(5) 该企业2005年4月1日对一项固定资产进行改扩建，该固定资产原价1800万元，已提折旧300万元，计提减值准备75万元。在改扩建中领用工程物资397.75万元，支付工程人员工资120万元，以银行存款支付其他费用82.25万元。该生产线于2005年11月20日达到预定可使用状态。该企业改扩建后的固定资产采用双倍余额递减法计提折旧，预计尚可使用年限为10年，预计净残值为75万元。(6) 4月8日A公司与E公司签订购销协议，由A公司销售M商品给E公司，售价 1000万元(不含增值税)，同时合同规定，售价的10%属于M商品售出后2年内提供的售后服务费，售后服务从次月开始算起。要求：(1) 对A企业进行相关账务处理(A企业适用的所得税税率为33%)；(2) 计算改扩建后固定资产2006年应计提的折旧额。(答案中的金额以万元为单位)
A.4万元，保险费0.6万元，专业人员服务费2万元，业务招待费3万元，差旅费2万元。3月10日安装完毕。
B.75万元，支付工程人员工资120万元，以银行存款支付其他费用82.25万元。该生产线于2005年11月20日达到预定可使用状态。该企业改扩建后的固定资产采用双倍余额递减法计提折旧，预计尚可使用年限为10年，预计净残值为75万元。
未分类题
Canada Ikea: What e Greet Place for You to ShopThere are many different stores that people go to in order to buy various household goods. (46)______ The Canada Ikea is not confined to one city alone in that country. Instead you will find there are many different branches spread out in many different localities.As with all of the Ikea stores the Canada Ikea deals mainly with selling top quality Swedish furniturE.(47)______ One facet (方面) of the Canada Ikea that its customers will like is that the store has the ability of catering (迎合) to their English speaking customers as well as their French customers.To make shopping for furniture and other goods easy the Ikea stores in every country are all set out in the same manner. (48)______ As a result of this the Canada Ikea is one that its local and foreign customers enjoy visiting.To help make it easy for you to shop for the items that you want there are large blue and yellow bags or shopping carts availablE.(49)______As you wander through the store you will find many interesting items that you can use for your home or even officE.With these products you will have a beautiful house that you can live comfortably in. (50)______ The Canada Ikea is a great place for you to shop.A.This furniture is designed to provide the home owner with stylish (时髦的) furniture that is also affordable and perfect for everyday usE.B.With so many items to be found you are sure to want to buy everything that catches your fancy.C.These bags and carts are perfect for the many different lamp shades, cushions (垫子), bed linens (亚麻布), toys and other medium to small sized objects that you want.D.This makes it very easy for visitors from other countries to buy the items they need without wandering around the store trying to find their goods.E.One such store that you can find in many different countries including that of Canada is that of the Ikea (宜家) chain of stores.F.The larger sized objects are displayed in the showrooms of the Canada Ikea stores.
A.B.
C.
D.
E.
F.
G.
H.
I.
J.
相关试题