Test Bank for Statistics for Managers Using Micros
d d d d d d d
oft Excel, 8th Edition, David M. Levine
d d d d d d
,2-2 OrganizingdanddVisualizingdVariables
CHAPTER 2: ORGANIZING AND VISUALIZING VARIAB
d d d d d
LES
SCENARIOd2-1
Andinsurancedcompanydevaluatesdmanydnumericaldvariablesdaboutdadpersondbeforeddecidingdondandapp
ropriatedratedfordautomobiledinsurance.dAdrepresentativedfromdadlocaldinsurancedagencydselecteddadrand
omdsampledofdinsuredddriversdanddrecorded,dX,dthednumberdofdclaimsdeachdmadedindthedlastd3dyears,dwit
hdthedfollowingdresults.
d X fd
1 14
2 18
3 12
4 5
5 1
1. ReferringdtodScenariod2-1,dhowdmanyddriversdaredrepresenteddindthedsample?
a) 5
b) 15
c) 18
d) 50
ANSWER:
d
TYPE:dMCd DIFFICULTY:dEasy
KEYWORDS:dfrequencyddistribution
2. ReferringdtodScenariod2-1,dhowdmanydtotaldclaimsdaredrepresenteddindthedsample?
a) 15
b) 50
c) 111
d) 250
ANSWER:
c
TYPE:dMCd DIFFICULTY:dModerate
KEYWORDS:dinterpretation,dfrequencyddistribution
3. Adtypedofdverticaldbardchartdindwhichdthedcategoriesdaredplotteddindtheddescendingdrankdorderdofdthed
magnitudedofdtheirdfrequenciesdisdcalledda
a) contingencydtable.
b) Paretodchart.
c) stem-and-leafddisplay.
d) piedchart.
ANSWER:
b
TYPE:dMCd DIFFICULTY:dEasy
KEYWORDS:dParetodchart
, OrganizingdanddVisualizingdVariables 2-3
SCENARIOd2-2
Atdadmeetingdofdinformationdsystemsdofficersdfordregionaldofficesdofdadnationaldcompany,dadsurveydwasdt
akendtoddeterminedthednumberdofdemployeesdthedofficersdsupervisedindthedoperationdofdtheirddepartment
s,dwheredXdisdthednumberdofdemployeesdoverseendbydeachdinformationdsystemsdofficer.
d X f_
1 7
2 5
3 11
4 8
5 9
4. ReferringdtodScenariod2-
2,dhowdmanydregionaldofficesdaredrepresenteddindthedsurveydresults?da)5
b) 11
c) 15
d) 40
ANSWER:
d
TYPE:dMCd DIFFICULTY:dEasy
KEYWORDS:dinterpretation,dfrequencyddistribution
5. ReferringdtodScenariod2-
2,dacrossdalldofdthedregionaldoffices,dhowdmanydtotaldemployeesdweredsuperviseddbydthosedsurv
eyed?
a) 15
b) 40
c) 127
d) 200
ANSWER:
c
TYPE:dMCd DIFFICULTY:dModerate
KEYWORDS:dinterpretation,dfrequencyddistribution
6. Thedwidthdofdeachdbardindadhistogramdcorrespondsdtodthe
a) differencesdbetweendthedboundariesdofdthedclass.
b) numberdofdobservationsdindeachdclass.
c) midpointdofdeachdclass.
d) percentagedofdobservationsdindeachdclass.
ANSWER:
a
TYPE:dMCd DIFFICULTY:dEasy
KEYWORDS:dhistogram
, 2-4 OrganizingdanddVisualizingdVariables
SCENARIOd2-3
Everydspringdsemester,dthedSchooldofdBusinessdcoordinatesdadluncheondwithdlocaldbusinessdleadersdfordgr
aduatingdseniors,dtheirdfamilies,danddfriends.dCorporatedsponsorshipdpaysdfordthedlunchesdofdeachdofdtheds
eniors,dbutdstudentsdhavedtodpurchasedticketsdtodcoverdthedcostdofdlunchesdserveddtodguestsdtheydbringdwit
hdthem.dThedfollowingdhistogramdrepresentsdthedattendancedatdthedseniordluncheon,dwheredXdisdthednumb
erdofdguestsdeachdgraduatingdseniordinviteddtodthedluncheondanddfdisdthednumberdofdgraduatingdseniorsdind
eachdcategory.
7. ReferringdtodthedhistogramdfromdScenariod2-
3,dhowdmanydgraduatingdseniorsdattendeddthedluncheon?
a) 4
b) 152
c) 275
d) 388
ANSWER:
c
TYPE:dMCd DIFFICULTY:dDifficult
EXPLANATION:dThednumberdofdgraduatingdseniorsdisdthedsumdofdalldthedfrequencies,df.dKEYWORD
S:dinterpretation,dhistogram
8. ReferringdtodthedhistogramdfromdScenariod2-
3,difdalldthedticketsdpurchaseddweredused,dhowdmanydguestsdattendeddthedluncheon?
a) 4
b) 152
c) 275
d) 388
ANSWER:
d
TYPE:dMCd DIFFICULTY:dDifficult
EXPLANATION:dThedtotaldnumberdofdguestsdis Xd f
6
i=1 id d i
KEYWORDS:dinterpretation,dhistogram