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单击此处编辑母版标题样式,*,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,第三,讲,讲,电,电,子,子表,格,格的,应,应用,本讲,的,的主,要,要内,容,容:,一、,电,电子,表,表格,简,简介,二、,电,电子,表,表格,的,的图,表,表功,能,能,三、,基,基本,计,计算,的,的操,作,作方,法,法,四、,相,相关,与,与回,归,归分,析,析,五、,案,案例,讨,讨论,第三,讲,讲,电,电子,表,表格,应,应用,介,介绍,一、,电,电子,表,表格,简,简介,1、,电,电子,表,表格,软,软件,包,包(,Spreadsheetsoftwarepackage):MicrosoftExcel、Lotus1-2-3、QuattroPro,等。,2、,Excel,简介,:,:,Excel,的计,算,算分,析,析功,能,能十,分,分强,大,大,,它,它包,含,含若,干,干个,函,函数,,,,共,有,有十,二,二大,类,类,,总,总计400多,个,个函,数,数。,在,在日,常,常科,学,学研,究,究活,动,动和,数,数据,处,处理,中,中,,如,如果,能,能够,充,充分,地,地利,用,用,Excel,本身,自,自带,的,的函,数,数计,算,算功,能,能,,再,再结,合,合使,用,用者,自,自己,构,构造,出,出来,的,的公,式,式,,就,就足,够,够能,帮,帮助,我,我们,完,完成,任,任务,。,。(,举,举例,),第三讲,电,电子表,格,格应用介,绍,绍,二、电子,表,表格的图,表,表功能,电子表格,的,的图表包,括,括:柱形,图,图、条形,图,图、折线,图,图、圆形,图,图、散点,图,图、立体,图,图、曲面,图,图、雷达,图,图等。,制作方法,:,:首先在,Excel,工作表中,编,编辑好数,据,据资料,,将,将光标移,到,到数据区,域,域,点击,工,工具栏中,的,的图表向,导,导,选择,需,需要的图,形,形。,第三讲,电,电子表格,应,应用介绍,三、基本,计,计算的操,作,作方法,1、,COUNT:,计数,格式:,COUNT(,参数1,,参,参数2,,,参数30)或,者,者,COUNT(,数据区域,),)。,2、,MIN、MAX:,求极值,格式:,MIN(MAX),(,(,参数1,,参,参数2,,,参数30,)。,3、SMALL、LARGE:,求第,K,个最小值,最,最大值,格式:,SMALL(LARGE),(,(,数据区域,,,,,K)。,第三讲,电,电子表格,应,应用介绍,三、基本,计,计算的操,作,作方法,4、,SUM:,求和,格式:,SUM(,参数1,,参,参数2,,,参数30,)。,5、SUMPRODUCT,:,:,乘积之和,格式:,SUMPRODUCT(,数组1,,数,数组2,,,数组30)。,6、,SUMSQ:,平方和,格式:,SUMSQ(,参数1,,参,参数2,,,参数30,)。,第三讲,电,电子表,格,格应用介,绍,绍,三、基本,计,计算的操,作,作方法,7、,SUMX2PY2,:,:,求两组数,的,的平方和,格式:,SUMX2PY2,(,(,数组1,,数,数组2),。,。,8、,SUMX2MY2,:,:,求两组数,平,平方差之,和,和,格式:,SUMX2MY2,(,(,数组1,,数,数组2),。,。,9、,SUMXMY2:,求两组数,差,差的平方,和,和,格式:,SUMXMY2(,数组1,,数,数组2),。,。,10、,AVERAGE:,求平均数,格式:,AVERAGE(,参数1,,参,参数2,,,参数30,)。,第三讲,电,电子表,格,格应用介,绍,绍,三、基本,计,计算的操,作,作方法,11、,TRIMMEAN,:,:,求截尾均,值,值,格式:,TRIMMEAN,(,(,数据集,,比,比例系数,)。,12、MEDIAN:,找中位数,格式:,MEDIAN(,参数1,,参,参数2,,,参数30,)。,13、DEVSQ,:,:,求离差平,方,方和,格式:,DEVSQ(,参数1,,参,参数2,,,参数30)。,第三讲,电,电子表格,应,应用介绍,三、基本,计,计算的操,作,作方法,14、,STDEV:,标准差,格式:,STDEV(,参数1,,参,参数2,,,参数30)。,15、SKEW:,求偏态,格式:,SKEW,(,(,参数1,,参,参数2,,,参数30,)。,第三讲,电,电子表格,应,应用介绍,四、相关,与,与回归分,析,析,1、,CORREL:,求相关系,数,数(主要,用,用于总体,资,资料),格式:,CORREL(,数组1,,数,数组2),。,。,2、,PEARSON:,求相关系,数,数(主要,用,用于样本,资,资料),格式:,PEARSON(,数组1,,数,数组2,)。,3、COVAR:,求协方差,格式:,COVAR(,数组1,,数,数组2,)。,4、RSQ:,求拟合优,度,度系数,格式:,RSQ(,数组1,,数,数组2,)。,第三讲,电,电子表格,应,应用介绍,四、相关,与,与回归分,析,析,5、,LINEST:,一元线性,回,回归的最,小,小二乘估,计,计,格式:,LINEST(,被解释变,量,量,解释,变,变量,常,量,量,统计,量,量)。(,注,注意:在,输,输入函数,参,参数时,,常,常量与统,计,计量的值,一,一般用1,、,、0来表,示,示,另外,,,,要同时,按,按,CONTROL+SHIFT+ENTER)。,6、LOGEST,:,:,一元指数,回,回归分析,格式:,LOGEST(,被解释变,量,量,解释,变,变量,常,量,量,统计,量,量)。,第三讲,电,电子表格,应,应用分析,四、相关,与,与回归分,析,析,7、,TREND:,趋势分析,格式:,TREND(,已知的被,解,解释变量,,,,已知的,解,解释变量,,,,新的解,释,释变量的,值,值,常数,),)。,五、案例,讨,讨论,第三讲,电,电子表格,应,应用分析,五、案例,讨,讨论,Is the educational achievement levelofstudentsrelatedtohowmuchthestate in whichtheyresidespends on education?Inmanycommunitiesthis importantquestionisbeing askedby taxpayerwhoarebeing askedby theirschooldistricts toincrease the amountoftaxrevenuespent oneducation.In thiscase,you will be askedto analyze dataon spendingandachievementscores in orderto determinewhetherthere is any relationship between spendingandstudentachievementin the schools.,第三讲,电,电子表格,应,应用分析,五、案例,讨,讨论,ThefederalgovernmentsNational AssessmentofEducationalProgressprogramisfrequently usedto measure the educational achievement of students.Ttable1 showsthetotal current spendingperyear,andthecomposite NAEPtestscore for 35 statesthat participated in the NAEP program.Thecomposite scoreis the sum of the math,science,andreadingscores on the 1996 NAEPtest.Pupilstestedarein grade8,exceptforreading,which is givento fourth-graders only.The maximum possiblescore is1300.Table2 showsthespendingperpupil for 14,第三讲,电,电子表,格,格应用分,析,析,五、案例,讨,讨论,states thatdidnotparticipatein relevantNAEPsurveys.table1:,STATESPENDINGPERPUPILCOMPOSITE SCORE,Louisiana4049581,Mississippi3423582,California4917580,Hawaii5532580,South Carolina4304603,Alabama3777604,Georgia4663611,Florida4934611,第三讲 电,子,子表格应用,分,分析,五、案例讨,论,论,New Mexico4097614,Arkansas4060615,Delaware6208615,Tennessee3800618,Arizona4041618,WestVirginia5247625,Maryland6100625,Kentucky5020627,Texas4520626,New York8162628,第三讲,电,电子表格应,用,用分析,五、案例讨,论,论,NorthCarolina4521629,RhodeIsland6554638,Washington5338639,Missouri4483641,Colorado4772644,Utah3280649,Indiana5128650,Wyoming5515657,Connecticut7629657,Massachusetts6413658,Nebraska5410660,第三讲,电,电子表格应,用,用分析,五、案例讨,论,论,Iowa5060665,Montana4985667,Wisconsin6055667,NorthDakota4374671,Maine5561675,Minnesota5477661,第三讲,电,电子表格应,用,用分析,五、案例讨,论,论,Table2:,Statespending per pupil,Idaho3602,SouthDakota4067,Oklahoma4265,Nevada4658,Kansas5164,Illinois5297,New Hampshire5387,Ohio5438,Oregon5588,第三讲,电,电子表格应,用,用分析,五、案例讨,论,论,Vermont6269,Michigan6391,Pennsylvania6579,Alaska7890,第三讲,电,电子表格应,用,用分析,五、案例讨,论,论,To dofollowingquestions:,1、Developnumericaland graphical summaries of thedata.,2、Investigate the relationshipbetween the amountspentperpupilandthe composite scoreon the NAEP.,3、Developestimatesof the composite scores for the states that did not participate in theNAEPprogram.(Forbes,November 3,1997),
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