多元假设检验练习

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1、假设检验练习一、某个城市对失业情况进行调查研究。选取了50个失业居民组成的样本。记录了其年龄和失业的时间。管理报告：1．利用描述统计分析对数据进行汇总整理；2．进行检验，确定该地区失业人员的均值是否高于全国失业时间的均值14.6周。AgeWeeks562235192275737401822114864822255402025122515933492633135615201731112717233451729143145939397351244382714246277452542334516441221133116424231451312773010332332822751125016

2、2193852685535二、Pelican商店是的一个分支。是一家在全美国范围内经营的妇女服饰连锁店。近来举办了一个向其他NationalClothing商店的顾客赠送折扣赠券的促销活动。在促销期内的某一天，在Pelican商店内选择了100名持信用卡交易的顾客样本。使用NationalClothing信用卡发生消费定义为ProprietaryCard支付方法。使用折扣赠券购买的顾客定义为，没有使用折扣赠券购买的顾客定义为常规顾客。因为奖励赠券不会派发给Pelican商店的一般性顾客，管理者认为持奖励性赠券的顾客产生的销售与其它顾客不同。当然管理者也希望奖励性顾客会继续在其它商店购

3、物。通过使用描述统计分析的方法来汇总数据，并评价你的发现。必须包括以下的内容：1．净销售额的描述统计量和各类顾客的净销售额描述统计量。2．讨论性别是否是影响净销售额的影响因素。3.奖励顾客和常规顾客的消费有无显著性差异。Items是数量；NetSales是信用卡支付的总额。CustomerTypeofCustomerItemsNetSalesMethodofPaymentGenderMaritalStatusAge1Regular139.50DiscoverMaleMarried322Promotional1102.40ProprietaryCardFemaleMarried363R

4、egular122.50ProprietaryCardFemaleMarried324Promotional5100.40ProprietaryCardFemaleMarried285Regular254.00MasterCardFemaleMarried346Regular144.50MasterCardFemaleMarried447Promotional278.00ProprietaryCardFemaleMarried308Regular122.50VisaFemaleMarried409Promotional256.52ProprietaryCardFemaleMarrie

5、d4610Regular144.50ProprietaryCardFemaleMarried3611Regular129.50ProprietaryCardFemaleMarried4812Promotional131.60ProprietaryCardFemaleMarried4013Promotional9160.40VisaFemaleMarried4014Promotional264.50VisaFemaleMarried4615Regular149.50VisaMaleSingle2416Promotional271.40ProprietaryCardMaleSingle3

6、617Promotional394.00ProprietaryCardFemaleSingle2218Regular354.50DiscoverFemaleMarried4019Promotional238.50MasterCardFemaleMarried3220Promotional644.80ProprietaryCardFemaleMarried5621Promotional131.60ProprietaryCardFemaleSingle2822Promotional470.82ProprietaryCardFemaleMarried3823Promotional7266.

7、00AmericanExpressFemaleMarried5024Regular274.00ProprietaryCardFemaleMarried4225Promotional239.50VisaMaleMarried4826Promotional130.02ProprietaryCardFemaleMarried6027Regular144.50ProprietaryCardFemaleMarried5428Promotional5192.80Pro