Download JNTUH (JNTU Hyderabad) MBA First Year (1st Semester) 2017 Feb Statistics for Management Question Paper.
HallTicketNo QuestionPaperCode:CMB005
J a w a h a r l a l N e hr u T e c h n ol o g i c a l U n i v e r s i t y H yd e r a b a d
.
MBAISemesterEndExaminations(Regular)-February,2017
Regulation: .?R16
STATISTICSFORMANAGEMENT
(MasterofBusinessAdministration)
Time: 3Hours MaxMarks: 70
AnswerONEQuestionfromeachUnit
AllQuestionsCarryEqualMarks
Allpartsofthequestionmustbeansweredinoneplaceonly
UNIT?I
1. (a) ?Statisticshelpstopredictfuturecourseofactioninbusiness?Substantiate. [6M]
(b) DescribethecharacteristicsofstatisticsinPluralsense. [8M]
2. (a) Describetheneedforcollectingdatainbusinessstatistics. [6M]
(b) StateanyfourManagementapplicationsofstatisticswithoneexampleeach. [8M]
UNIT?II
3. (a) Thetable1showsthenumberofskilledandunskilledoperatorsintwosmallcities. [6M]
Table1
Category
CityA CityB
No Wage/Hours(Rs) No Wage/Hours(Rs)
Skilled 150 180 350 175
Unskilled 850 130 650 125
ComputeaveragehourlywageforeachcommunityandCommentonthedi?erenceinthedaily
wage&theaveragewagebetweenthecities
(b) ComputeKarlpearson?sco-e?cientofskewnessandcommentforfollowingdatagiveninTable
2; [8M]
Table2
Size 1 2 3 4 5 6 7
Frequency 10 18 30 25 12 3 2
4. (a) ComputetheGeometricMeanforthefollowingdatagiveninTable3; [6M]
Page1of3
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HallTicketNo QuestionPaperCode:CMB005
J a w a h a r l a l N e hr u T e c h n ol o g i c a l U n i v e r s i t y H yd e r a b a d
.
MBAISemesterEndExaminations(Regular)-February,2017
Regulation: .?R16
STATISTICSFORMANAGEMENT
(MasterofBusinessAdministration)
Time: 3Hours MaxMarks: 70
AnswerONEQuestionfromeachUnit
AllQuestionsCarryEqualMarks
Allpartsofthequestionmustbeansweredinoneplaceonly
UNIT?I
1. (a) ?Statisticshelpstopredictfuturecourseofactioninbusiness?Substantiate. [6M]
(b) DescribethecharacteristicsofstatisticsinPluralsense. [8M]
2. (a) Describetheneedforcollectingdatainbusinessstatistics. [6M]
(b) StateanyfourManagementapplicationsofstatisticswithoneexampleeach. [8M]
UNIT?II
3. (a) Thetable1showsthenumberofskilledandunskilledoperatorsintwosmallcities. [6M]
Table1
Category
CityA CityB
No Wage/Hours(Rs) No Wage/Hours(Rs)
Skilled 150 180 350 175
Unskilled 850 130 650 125
ComputeaveragehourlywageforeachcommunityandCommentonthedi?erenceinthedaily
wage&theaveragewagebetweenthecities
(b) ComputeKarlpearson?sco-e?cientofskewnessandcommentforfollowingdatagiveninTable
2; [8M]
Table2
Size 1 2 3 4 5 6 7
Frequency 10 18 30 25 12 3 2
4. (a) ComputetheGeometricMeanforthefollowingdatagiveninTable3; [6M]
Page1of3
Table3
Marks 0-10 10-20 20-30 30-40 40-50
Noofstudents 5 7 15 25 8
(b)GiventhefollowingdistributionshowninTable4, [8M]
Table4
Classinterval 0-15 15-30 30-45 45-60 6-75 75-90 90-105
Frequency 8 26 30 45 20 17 4
ComputeInterquartilerange,QuartiledeviationandCoe?cientofQuartiledeviation.
UNIT?III
5. (a)DescribethefollowingdatagiveninTable5usinghistogram. [6M]
Table5
Variable 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90
Frequency 5 15 20 25 35 30 15 10
(b)Inasamplestudyaboutco?eeintwotowns,thefollowinginformationwasobtained; Town
A:Femalewere40%,Totalco?eedrinkersare45%andmaleco?eedrinkersare20%TownB:
Maleswere55%,Malenonco?eedrinkerswere30%andfemaleco?eedrinkerswere15%.Select
asuitabledatarepresentationtableandrepresentthesame. [8M]
6. (a)Describewithanexamplederivedtablesusedinpractice [6M]
(b)DrawasuitablediagramtorepresentthefollowinginformationgiveninTable6. [8M]
Table6
SellingPrice/Unit Quantitysold
Unit
Wagess Materials Misc. Total
FactoryX 400 20 3200 2400 1600 7200
FactoryY 600 30 6000 6000 9000 21000
UNIT?IV
7. (a)Tencartoonsaretakenatrandomfromanautomatic?llingmachine. Themeannetweight
ofthe10cartoonsis11.8KGandstandarddeviationis0.15kg. Doesthesamplemeandi?er
signi?cantlyfromtheintendedweightof12kg?givenV=9,t@5%signi?canceis2.26. [6M]
(b)ThenumberofabsenteeismpermonthinoneofthecompanyforpastTenmonthare12,8,20,
2,14,10,15,6,9and4memberspermonth.Isthethereaconsistencyinconditionsprevailing
toabsenteeismusingchisquaretest. [8M]
Page2of3
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HallTicketNo QuestionPaperCode:CMB005
J a w a h a r l a l N e hr u T e c h n ol o g i c a l U n i v e r s i t y H yd e r a b a d
.
MBAISemesterEndExaminations(Regular)-February,2017
Regulation: .?R16
STATISTICSFORMANAGEMENT
(MasterofBusinessAdministration)
Time: 3Hours MaxMarks: 70
AnswerONEQuestionfromeachUnit
AllQuestionsCarryEqualMarks
Allpartsofthequestionmustbeansweredinoneplaceonly
UNIT?I
1. (a) ?Statisticshelpstopredictfuturecourseofactioninbusiness?Substantiate. [6M]
(b) DescribethecharacteristicsofstatisticsinPluralsense. [8M]
2. (a) Describetheneedforcollectingdatainbusinessstatistics. [6M]
(b) StateanyfourManagementapplicationsofstatisticswithoneexampleeach. [8M]
UNIT?II
3. (a) Thetable1showsthenumberofskilledandunskilledoperatorsintwosmallcities. [6M]
Table1
Category
CityA CityB
No Wage/Hours(Rs) No Wage/Hours(Rs)
Skilled 150 180 350 175
Unskilled 850 130 650 125
ComputeaveragehourlywageforeachcommunityandCommentonthedi?erenceinthedaily
wage&theaveragewagebetweenthecities
(b) ComputeKarlpearson?sco-e?cientofskewnessandcommentforfollowingdatagiveninTable
2; [8M]
Table2
Size 1 2 3 4 5 6 7
Frequency 10 18 30 25 12 3 2
4. (a) ComputetheGeometricMeanforthefollowingdatagiveninTable3; [6M]
Page1of3
Table3
Marks 0-10 10-20 20-30 30-40 40-50
Noofstudents 5 7 15 25 8
(b)GiventhefollowingdistributionshowninTable4, [8M]
Table4
Classinterval 0-15 15-30 30-45 45-60 6-75 75-90 90-105
Frequency 8 26 30 45 20 17 4
ComputeInterquartilerange,QuartiledeviationandCoe?cientofQuartiledeviation.
UNIT?III
5. (a)DescribethefollowingdatagiveninTable5usinghistogram. [6M]
Table5
Variable 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90
Frequency 5 15 20 25 35 30 15 10
(b)Inasamplestudyaboutco?eeintwotowns,thefollowinginformationwasobtained; Town
A:Femalewere40%,Totalco?eedrinkersare45%andmaleco?eedrinkersare20%TownB:
Maleswere55%,Malenonco?eedrinkerswere30%andfemaleco?eedrinkerswere15%.Select
asuitabledatarepresentationtableandrepresentthesame. [8M]
6. (a)Describewithanexamplederivedtablesusedinpractice [6M]
(b)DrawasuitablediagramtorepresentthefollowinginformationgiveninTable6. [8M]
Table6
SellingPrice/Unit Quantitysold
Unit
Wagess Materials Misc. Total
FactoryX 400 20 3200 2400 1600 7200
FactoryY 600 30 6000 6000 9000 21000
UNIT?IV
7. (a)Tencartoonsaretakenatrandomfromanautomatic?llingmachine. Themeannetweight
ofthe10cartoonsis11.8KGandstandarddeviationis0.15kg. Doesthesamplemeandi?er
signi?cantlyfromtheintendedweightof12kg?givenV=9,t@5%signi?canceis2.26. [6M]
(b)ThenumberofabsenteeismpermonthinoneofthecompanyforpastTenmonthare12,8,20,
2,14,10,15,6,9and4memberspermonth.Isthethereaconsistencyinconditionsprevailing
toabsenteeismusingchisquaretest. [8M]
Page2of3
8. (a)WritestandardonewayANOVATableformatandexplainthecontents. [6M]
(b)Find the correlation between Sales and advertisement expenses incurred during the last 10
months,dataisgiveninTable7. [8M]
Table7
Advertisement 39 65 62 90 82 75 25 98 36 78
Sales 47 53 58 86 62 68 60 91 51 84
UNIT?V
9. (a)Findthe?sher?sindexforfollowingdatagiveninTable8. [6M]
Table8
Commodities
Baseyear Currentyear
Priceperunit(Rs) Expenditure(Rs) Priceperunit(Rs) Expenditure(Rs)
A 2 40 5 75
B 4 16 8 40
C 1 10 2 24
D 5 25 10 60
(b)Thefollowingresultswereobtainedduringthecomputationof?sher?sindex.
Ep0q0=1040,Ep0q1=1056,Ep1q0=1420,Ep1q1=1448ComputetheFisher?sindex,Factorre-
versaltestandTimereversaltest [8M]
10. (a)FromthefollowingdatagiveninTable9,?ndtheregressionequationXonY [6M]
Table9
Sales(X) 91 97 108 121 67 124 51 73 111 57
Purchase(Y) 71 75 69 97 70 91 39 61 80 47
(b)Writeshortnoteon [8M]
i.GraphicmethodofTrendMeasurement
ii.MethodofMovingAverages
Page3of3
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This post was last modified on 27 November 2019