Ebook Statistics for business and economics (12/E): Part 2
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Ebook Statistics for business and economics (12/E): Part 2
www.downloadslide.netCHAPTER 1Comparing Multiple Proportions, Test of Independence and Goodness of FitCONTENTSSTATISTICS IN PRACTICE: UNITED WAY12.1TE Ebook Statistics for business and economics (12/E): Part 2ESTING THE EQUALITY OF POPULATION PROPORTIONS FOR THREE OR MORE POPULATIONS A Multiple ComparisonProcedure12.2TEST OF INDEPENDENCE12.3GOODNESS OF FIT TESTMultinomial Probability DistributionNormal Probability DistributionCopyright 2014 Nelson Ixlix-jiKin Ltd All Rights Reserved. May mil be copied, S Ebook Statistics for business and economics (12/E): Part 2linm-d. or duplicated. in whole or in port. Due to electronic rights. some thinl party eixuentmay he suppressed foam the eBook and*0r cChaptcrfo). NelEbook Statistics for business and economics (12/E): Part 2
son liducalKin reserves the right to remove additional content al any lime if subsequent nghls restrictions require it.www.downloadslide.netChapter 12www.downloadslide.netCHAPTER 1Comparing Multiple Proportions, Test of Independence and Goodness of FitCONTENTSSTATISTICS IN PRACTICE: UNITED WAY12.1TE Ebook Statistics for business and economics (12/E): Part 2nprofit organization dedicated to improving the quality of life for all people in the seven comities it serves by meeting the community's most important human care needs.The annual United Way.' Red Cross fund-raising campaign fluids hundreds of programs offered by more than 200 service providers. Th Ebook Statistics for business and economics (12/E): Part 2ese piovideis meet a wide variety of human needs—physical, mental, and social—and serve people of all ages, backgrounds, and economic means.The UnitedEbook Statistics for business and economics (12/E): Part 2
Way of Gieater Rochester decided to conduct a survey to learn more about community perceptions of charities. Focus-group interviews were held with prwww.downloadslide.netCHAPTER 1Comparing Multiple Proportions, Test of Independence and Goodness of FitCONTENTSSTATISTICS IN PRACTICE: UNITED WAY12.1TE Ebook Statistics for business and economics (12/E): Part 2p the questionnaire for the survey Tile questionnaire was pretested, modified, and distributed to 440 individuals.A variety of descriptive statistics, including frequency distributions and crosstabulations, were provided from the data collected An important part of the analysis involved the use of c Ebook Statistics for business and economics (12/E): Part 2hi-square tests of independence. One use of such statistical tests was to determine whether perceptions of administrative expenses were independent ofEbook Statistics for business and economics (12/E): Part 2
the occupation of the respondent.The hypotheses for the test of independence were:Hý Perceptron of United Way administrative expenses is independent www.downloadslide.netCHAPTER 1Comparing Multiple Proportions, Test of Independence and Goodness of FitCONTENTSSTATISTICS IN PRACTICE: UNITED WAY12.1TE Ebook Statistics for business and economics (12/E): Part 2uestions in the survey provided categorical data for the statistical test. One question obtained data on’The CMthos ore mtfobtbd Io o Philip R Tyler, marketing coovjhoN to ibe United Way, for providing this Statistics in Prođice.United Way programs meet the needs of children as well as adults. £ Jun Ebook Statistics for business and economics (12/E): Part 2 West Alamy.pereqitions of the percentage of funds going to administrative expenses (up to 10%. 11-20%, and 21% ormore). The other question asked forEbook Statistics for business and economics (12/E): Part 2
the occupation of the respondent.The test of independence led to rejection of the null hypothesis and to the conclusion that perception of United Way www.downloadslide.netCHAPTER 1Comparing Multiple Proportions, Test of Independence and Goodness of FitCONTENTSSTATISTICS IN PRACTICE: UNITED WAY12.1TE Ebook Statistics for business and economics (12/E): Part 2ndents perceived that administrative expenses were 21% or more. Hence, many respondents had inaccurate perceptions of administrative expenses. In this group, production-line, clerical, sales, and professional-technical employees had the more inaccurate perceptions.The community perceptions study hel Ebook Statistics for business and economics (12/E): Part 2ped United Way of Rochester develop adjustments to its programs and fund-raising activities In this chapter, you will learn how tests, such as describEbook Statistics for business and economics (12/E): Part 2
ed here, are conducted.In Chapters 9.10. and 11 we introduced methods of statistical inference for hypothesis tests about the means, proportions, and www.downloadslide.netCHAPTER 1Comparing Multiple Proportions, Test of Independence and Goodness of FitCONTENTSSTATISTICS IN PRACTICE: UNITED WAY12.1TE Ebook Statistics for business and economics (12/E): Part 2 statistical inferences about populations.Copyright 2014 Nclwo lĩdocatKin Lid. All Rights Reserved. May not be copied. scxuKd. or duplicated, in or in part. Due k> ckx-trvnK njhts. some third forty contentmay be suppressed irom the cliock andSir cChapIchsl. Nelsen liducalKin reserves the right Io re Ebook Statistics for business and economics (12/E): Part 2move addilsonal content at any lime it subsequent njhts rcslnctions require It.V .... ww.downlpadslide.net „12.1 Telling the Equality at Population PrEbook Statistics for business and economics (12/E): Part 2
oportions lor Three or Mewww.downloadslide.netCHAPTER 1Comparing Multiple Proportions, Test of Independence and Goodness of FitCONTENTSSTATISTICS IN PRACTICE: UNITED WAY12.1TEwww.downloadslide.netCHAPTER 1Comparing Multiple Proportions, Test of Independence and Goodness of FitCONTENTSSTATISTICS IN PRACTICE: UNITED WAY12.1TEGọi ngay
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