Statistics for Managers Using Microsoft Excel 7E - Levine - SM levine_smume7_ism_02

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1、SolutionstoEnd-of-SectionandChapterReviewProblems129CHAPTER22.1(a)CategoryFrequencyPercentageA1326%B2856C918(b)Category“B”isthemajority.2.2(a)TablefrequenciesforallstudentresponsesStudentMajorCategoriesGenderACMTotalsMale149225Female66315Totals2015540(b)Tablepercentagesbase

2、donoverallstudentresponsesStudentMajorCategoriesGenderACMTotalsMale35.0%22.5%5.0%62.5%Female15.0%15.0%7.5%37.5%Totals50.0%37.5%12.5%100.0%TablebasedonrowpercentagesStudentMajorCategoriesGenderACMTotalsMale56.0%36.0%8.0%100.0%Female40.0%40.0%20.0%100.0%Totals50.0%37.5%12.5%1

3、00.0%TablebasedoncolumnpercentagesStudentMajorCategoriesGenderACMTotalsMale70.0%60.0%40.0%62.5%Female30.0%40.0%60.0%37.5%Totals100.0%100.0%100.0%100.0%2.3Theanswerdependsonthechosenarticle.2.4(a)Becausethe29%isbasedonthesample,itisastatistic.(b)Becausethe58%isbasedonthesamp

4、le,itisastatistic.2.5(a)(b)Avastmajorityofthedatabreachesaretheresultsoforganizedcriminalgroup.Copyright©2014PearsonEducation,Inc.SolutionstoEnd-of-SectionandChapterReviewProblems1292.6(a)(b)Morethanhalftheoilproducedisfromnon-OPECcountries.Morethan25%isproducedbyOPECcountr

5、iesotherthanIranandSaudiArabia..2.7(a)(b)Appleisthehottestbrandamongmillennials,followedbyDellandHP.2.8(a)TableoftotalpercentagesENJOYSHOPPINGFORCLOTHINGFORYOURSELFGENDERMaleFemaleTotalYes22%25%47%No28%25%53%Total50%50%100%TableofrowpercentagesENJOYSHOPPINGFORCLOTHINGFORYOU

6、RSELFGENDERMaleFemaleTotalYes46%54%100%No53%47%100%Total50%50%100%TableofcolumnpercentagesENJOYSHOPPINGFORCLOTHINGFORYOURSELFGENDERMaleFemaleTotalYes44%51%47%No56%49%53%Total100%100%100%(b)Ahigherpercentageoffemalesenjoyshoppingforclothingforthemselves.Copyright©2014Pearson

7、Education,Inc.SolutionstoEnd-of-SectionandChapterReviewProblems1292.9(a)Tableoftotalpercentages:Tableofrowpercentages:Tableofcolumnpercentages:(b)Therowpercentagesallowustoblocktheeffectofdisproportionategroupsizeandshowusthatthepatternfordayandeveningtestsamongthenonconfor

8、minggroupisverydifferentfromthepatternfordayandeveningtestsamongtheconforminggroup