Test Bank for Essentials of Statistics, 27th edition by Mario F. Triola.pdf

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on Jaggia b




EssentialsbofbBusinessbStatistics,b2eb(Jaggia)bC
hapterb2 TabularbandbGraphicalbMethods

1) Abfrequencybdistributionbforbqualitativebdatabgroupsbthesebdatabintobintervalsbcalledbclassesbandbr
ecordsbthebnumberbofbobservationsbthatbfallsbintobeachbclass.

Answer:b b FALSE
Explanation:b Abfrequencybdistributionbforbqualitativebdatabgroupsbthesebdatabintobcategoriesbandbr
ecordsbthebnumberbofbobservationsbthatbfallsbintobeachbcategory.
Difficulty:b1bEasy
Topic:b b SummarizingbQualitativebData
LearningbObjective:b 02-
01bSummarizebqualitativebdatabbybconstructingbabfrequencybdistribution.bBloom's:b Remember
AACSB:b ReflectivebThinkingbAcces
sibility:b KeyboardbNavigation

2) Thebrelativebfrequencybforbeachbcategorybinbabfrequencybdistributionbisbcalculatedbbybdividingbt
hebcategory'sbfrequencybbybthebtotalbnumberbofbobservationsb(totalbfrequencies).

Answer:b b TRUE
Explanation:b Thebrelativebfrequencybofbeachbcategorybequalsbthebproportionbofbobservationsbinbe
achbcategorybandbisbcalculatedbbybdividingbthebfrequencybbybthebtotalbnumberbofbobservations.bDi
fficulty:b1bEasy
Topic:b b SummarizingbQualitativebData
LearningbObjective:b 02-
01bSummarizebqualitativebdatabbybconstructingbabfrequencybdistribution.bBloom's:b Remember
AACSB:b ReflectivebThinkingbAcces
sibility:b KeyboardbNavigation

3) Thebpercentbfrequencybforbeachbcategorybinbabfrequencybdistributionbequalsbthebcategory'sbf
requencybmultipliedbbyb100%.

Answer:b b FALSE
Explanation:b Thebpercentbfrequencybofbabcategorybequalsbthebrelativebfrequencybofbthebcategorybm
ultipliedbbyb100%.
Difficulty:b1bEasy
Topic:b b SummarizingbQualitativebData
LearningbObjective:b 02-
01bSummarizebqualitativebdatabbybconstructingbabfrequencybdistribution.bBloom's:b Remember
AACSB:b ReflectivebThinkingbAcces
sibility:b KeyboardbNavigation




1
Copyrightb©b2020bMcGraw-HillbEducation.bAllbrightsbreserved.
NobreproductionborbdistributionbwithoutbthebpriorbwrittenbonsentbofbMcGraw-HillbEducation.
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,DOWNLOAD THE Test Bank for Essentials of Business Statistics 2nd Editi
b b b b b b b b b b

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4) Abpiebchartbisbabsegmentedbcirclebthatbportraysbthebfrequenciesbofbthebcategoriesbofbsomebq
uantitativebvariable.

Answer:b b FALSE
Explanation:b Abpiebchartbisbabsegmentedbcirclebwhosebsegmentsbportraybthebrelativeb(orbpercent)bfr
equenciesbofbthebcategoriesbofbsomebqualitativebvariable.
Difficulty:b1bEasy
Topic:b b SummarizingbQualitativebData
LearningbObjective:b 02-
02bConstructbandbinterpretbabpiebchartbandbabbarbchart.bBloom's:b Remember
AACSB:b ReflectivebThinkingbAcces
sibility:b KeyboardbNavigation

5) Abbarbchartbdepictsbthebfrequencyborbthebrelativebfrequencybforbeachbcategorybofbthebqualitativebv
ariablebasbbarsbextendingbverticallybfrombthebhorizontalbaxis,borbextendingbhorizontallybfrombthebve
rticalbaxis.bTheblengthsbofbthebbarsbarebproportionalbtobthebvaluesbthatbarebtobbebdepicted.

Answer:b b TRUE
Explanation:b Abbarbchartbdepictsbthebfrequencyborbthebrelativebfrequencybforbeachbcategorybasbabseri
esbofbhorizontalborbverticalbbars.
Difficulty:b1bEasy
Topic:b b SummarizingbQualitativebData
LearningbObjective:b 02-
02bConstructbandbinterpretbabpiebchartbandbabbarbchart.bBloom's:b Remember
AACSB:b ReflectivebThinkingbAcces
sibility:b KeyboardbNavigation

6) Abbarbchartbmaybbebdisplayedbhorizontallybbybplacingbeachbcategorybonbthebverticalbaxisbandb
markingbthebhorizontalbaxisbwithbanbappropriatebrangebofbvaluesbforbeitherbfrequencyborbrelativebf
requency.

Answer:b b TRUE
Explanation:b Abbarbchartbdepictsbthebfrequencyborbthebrelativebfrequencybforbeachbcategorybasbabseri
esbofbhorizontalborbverticalbbars.
Difficulty:b2bMedium
Topic:b b SummarizingbQualitativebData
LearningbObjective:b 02-
02bConstructbandbinterpretbabpiebchartbandbabbarbchart.bBloom's:b Understand
AACSB:b Technologyb Accessibility
:b KeyboardbNavigation




2
Copyrightb©b2020bMcGraw-HillbEducation.bAllbrightsbreserved.
NobreproductionborbdistributionbwithoutbthebpriorbwrittenbonsentbofbMcGraw-HillbEducation.
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,DOWNLOAD THE Test Bank for Essentials of Business Statistics 2nd Editi
b b b b b b b b b b

on Jaggia b




7) Tobapproximatebthebwidthbofbabclassbinbthebcreationbofbabbarbchart,bwebmaybusebthisbformula:




Answer:b b FALSE
Explanation:b Thisbformulabisbusedbwhenbwebconstructbabfrequencybdistributionborbabhistogrambfo
rbquantitativebdata.bThebnumberbofbclassesbtypicallybrangesbfromb5-20.
Difficulty:b1bEasy
Topic:b b SummarizingbQuantitativebData
LearningbObjective:b 02-
03bSummarizebquantitativebdatabbybconstructingbabfrequencybdistribution.
Bloom's:b Rememberb AACSB
:b ReflectivebThinking
Accessibility:b b KeyboardbNavigation

8) Forbquantitativebdata,babrelativebfrequencybdistributionbidentifiesbthebproportionbofbobservationsbt
hatbfallbintobeachbclass.

Answer:b b TRUE
Explanation:b Classbrelativebfrequencyb=bClassbfrequencyb/bTotalbnumberbofbobservations.bDifficult
y:b1bEasy
Topic:b b SummarizingbQuantitativebData
LearningbObjective:b 02-
03bSummarizebquantitativebdatabbybconstructingbabfrequencybdistribution.
Bloom's:b Rememberb AACSB
:b ReflectivebThinking
Accessibility:b b KeyboardbNavigation

9) Forbquantitativebdata,babcumulativebrelativebfrequencybdistributionbrecordsbthebproportionb(
fraction)bofbvaluesbthatbfallbbelowbthebupperblimitbofbeachbclass.

Answer:b b TRUE
Explanation:b Abcumulativebrelativebfrequencybdistributionbrepresentsbthebproportionbofbvaluesbtha
tbfallbbelowbthebupperblimitbofbeachbclass.
Difficulty:b1bEasy
Topic:b b SummarizingbQuantitativebData
LearningbObjective:b 02-
03bSummarizebquantitativebdatabbybconstructingbabfrequencybdistribution.
Bloom's:b Rememberb AACSB
:b ReflectivebThinking
Accessibility:b b KeyboardbNavigation




3
Copyrightb©b2020bMcGraw-HillbEducation.bAllbrightsbreserved.
NobreproductionborbdistributionbwithoutbthebpriorbwrittenbonsentbofbMcGraw-HillbEducation.
mynursytest.store

, DOWNLOAD THE Test Bank for Essentials of Business Statistics 2nd Editi
b b b b b b b b b b

on Jaggia b




10) Abhistogrambisbabseriesbofbrectanglesbwherebthebwidthbandbheightbofbeachbrectanglebrepresentbr
espectivelybthebfrequencyb(orbrelativebfrequency)bandbthebclassbwidthbofbthebrespectivebclass.

Answer:b b FALSE
Explanation:b Abhistogrambisbabseriesbofbrectanglesbwherebthebwidthbandbheightbofbeachbrectanglebre
presentbrespectivelybthebclassbwidthbandbfrequencyb(orbrelativebfrequency)bofbthebrespectivebclass.
Difficulty:b1bEasy
Topic:b b SummarizingbQuantitativebData
LearningbObjective:b 02-
04bConstructbandbinterpretbabhistogram,babpolygon,bandbanbogive.bBloom's:b Remember
AACSB:b ReflectivebThinkingbAcces
sibility:b KeyboardbNavigation

11) Abpolygonbconnectsbabseriesbofbneighboringbpointsbwherebeachbpointbrepresentsbthebmidpointbo
fbabparticularbclassbandbitsbassociatedbfrequencyborbrelativebfrequency.

Answer:b b TRUE
Explanation:b Abpolygonbisbgraphicalbdepictionbofbfrequencybandbrelativebfrequencybdistributions.
bItbconnectsbabseriesbofbneighboringbpointsbwherebeachbpointbrepresents bthebmidpointbofbabparticularb

classbandbitsbassociatedbfrequencyborbrelativebfrequency.
Difficulty:b1bEasy
Topic:b b SummarizingbQuantitativebData
LearningbObjective:b 02-
04bConstructbandbinterpretbabhistogram,babpolygon,bandbanbogive.bBloom's:b Remember
AACSB:b ReflectivebThinkingbAcces
sibility:b KeyboardbNavigation

12) Anbogivebisbabgraphbthatbplotsbthebcumulativebfrequencyb(orbthebcumulativebrelativebf
requency)bofbeachbclassbagainstbtheblowerblimitbofbthebcorrespondingbclass.

Answer:b b FALSE
Explanation:b Anbogivebisbabgraphbthatbplotsbthebcumulativebfrequencyb(orbthebcumulativebrelativebfr
equency)bofbeachbclassbagainstbthebupperblimitbofbthebcorrespondingbclass.
Difficulty:b1bEasy
Topic:b b SummarizingbQuantitativebData
LearningbObjective:b 02-
04bConstructbandbinterpretbabhistogram,babpolygon,bandbanbogive.bBloom's:b Remember
AACSB:b ReflectivebThinkingbAcces
sibility:b KeyboardbNavigation




4
Copyrightb©b2020bMcGraw-HillbEducation.bAllbrightsbreserved.
NobreproductionborbdistributionbwithoutbthebpriorbwrittenbonsentbofbMcGraw-HillbEducation.
mynursytest.store