《上海大学统计学》ppt课件

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1、STATISTICS制作人贺富强联系方式hefuqiang@mail.whut.edu.cn统计学ReferenceBookTextbook1.魏建国主编：《统计学》武汉理工大学出版社2002.12.张文彤主编：《SPASS11.0统计分析教程》（基础篇）北京希望电子出版社2002.6Referencebook1.钱伯海黄良文主编《统计学》四川人民出版社1999.82.袁卫庞皓曾五一主编《统计学》高等教育出版社2002.93.HeinzKohler:《EssentialsofStatistics》1998Scott,Foresmanandcompany4

2、.EdwinMansfield:《StatisticsforBusinessandEconomics》1991byW.W.Norton&Company,Inc教学计划一《统计学》第1-6、8、9章46学时二统计软件SPSS10.08学时三自我调查2学时共56学时CHAPTER1Introduction1.1Whatisstatistics1.1.1ThemeaningofthetermstatisticsMostpeopleassociatethetermstatisticswithmassesofnumbersor,perhaps,withthetab

3、1esandgraphsthatdisplaythemandwiththeaveragesandsimilarmeasuresthatsummarizethem.Threemeaningsofstatistics1、statisticalworktheworkofcollecting,analyzingandforecastingsocialandeconomicaldata.2、statisticaldataacollectionofnumericalinformation.3、statisticsistheartandscienceofcollect

4、ingandunderstandingdata.StatisticaldataThefourlargestcompanies,rankedbysalesGeneralMotorsWal-MartStoresFordGeneralElectricThetypicalAmericanearns$1235720andpays$178364intaxesinhisorherlifetimeStatisticaldataGraduatesoftheUniversityofNDMofBusinessSchoolhadameanstartingsalaryof$540

5、00and94percentwereemployedwithinthreemonthsofgraduation.TheUSAdrinksmorecoffeethananyothercountry,anaverageof1.75cupsperpersonperday.TheGECreportedrevenuesof$111,630,000in1999,upfrom$100,469,000in1998.The1999yearendclosingpriceforashareofcommonstockwas$154.75,upfrom$102.00attheen

6、dof1998.DatainManagement1.Financialstatement2.Securitypricesandvolumesandinterestrates3.Salesreports4.Marketsurveyresults5.Moneysupplyfigures6.ProductionqualitymeasuresThescienceofcollecting,organizing,presenting,analyzing,andinterpretingdatatoassistinmakingmoreeffectivedecision.

7、DatareferstoanykindofrecordedinformationStatistics1.1.2WhyStudyStatistics?Thereareatleastthreereasonsforstudyingstatistics1.Dataiseverywhere2.Statisticaltechniquesareusedtomakemanydecisionsthataffectourlives3.Nomatterwhatyourfuturelineofwork,youwillmakedecisionsthatinvolvesdata.A

8、nunderstandingofstatisticalmethodswillhe