Download JNTUH (JNTU Hyderabad) MBA First Year (1st Semester) 2018 May Statistics for Management Question Paper.
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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(Supplementary)-May,2018
Regulation: .?R16
STATISTICSFORMANAGEMENT
Time: 3Hours (MBA) MaxMarks: 70
AnswerONEQuestionfromeachUnit
AllQuestionsCarryEqualMarks
Allpartsofthequestionmustbeansweredinoneplaceonly
UNIT?I
1. (a) Whatarethefunctionsofstatistics?Discussbrie?y. [7M]
(b) Whyitisnecessarytolearnstatistics? [7M]
2. (a) Statisticianattimesmisusesstatistics.Elucidatethisstatement. [7M]
(b) Discussimportantapplicationsofstatisticswithspecialreferencetodecisionmakinginmodern
businessandindustry.Alsobrie?ydescribeitslimitations. [7M]
UNIT?II
3. (a) Thenetpro?tsearnedby140companiesforoneyearareshowninTable1.Calculategeometric
meanandharmonicmean. [7M]
Table1
Netpro?t(Rs.inLakhs) 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Numberofcompanies 5 16 23 36 25 19 14 2
(b) CalculatethequartiledeviationfromthedatashowninTable2. [7M]
Table2
ClassInterval 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Frequency 4 6 8 12 9 7 4
Page1of4
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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(Supplementary)-May,2018
Regulation: .?R16
STATISTICSFORMANAGEMENT
Time: 3Hours (MBA) MaxMarks: 70
AnswerONEQuestionfromeachUnit
AllQuestionsCarryEqualMarks
Allpartsofthequestionmustbeansweredinoneplaceonly
UNIT?I
1. (a) Whatarethefunctionsofstatistics?Discussbrie?y. [7M]
(b) Whyitisnecessarytolearnstatistics? [7M]
2. (a) Statisticianattimesmisusesstatistics.Elucidatethisstatement. [7M]
(b) Discussimportantapplicationsofstatisticswithspecialreferencetodecisionmakinginmodern
businessandindustry.Alsobrie?ydescribeitslimitations. [7M]
UNIT?II
3. (a) Thenetpro?tsearnedby140companiesforoneyearareshowninTable1.Calculategeometric
meanandharmonicmean. [7M]
Table1
Netpro?t(Rs.inLakhs) 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Numberofcompanies 5 16 23 36 25 19 14 2
(b) CalculatethequartiledeviationfromthedatashowninTable2. [7M]
Table2
ClassInterval 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Frequency 4 6 8 12 9 7 4
Page1of4
4. (a)CalculatethePearson?smeasureofskewnessonthebasisofmodeandstandarddeviationfor
datashowninTable3. [7M]
Table3
ClassInterval 14-15 15-16 16-17 17-18 18-19 19-20 20-21 21-22
Frequency 35 40 48 100 125 87 43 22
(b)FromthedatagivenintheTable4,?ndoutwhichofthetwoseriesismoreconsistent. [7M]
Table4
ClassInterval 10-20 20-30 30-40 40-50 50-60 60-70
Series-A 10 16 34 38 24 18
Series-B 18 22 38 34 20 8
UNIT?III
5. (a)Whatismeantbyclassi?cation?Stateitsimportantobjectives. [7M]
(b)ThedatashowninTable5relatetomonthlyincomeandexpenditureunderdi?erentheadsfor
twofamilies.Showthedatabypercentagebardiagramandmultiplebardiagram. [7M]
Table5
ItemofExpenditure MonthlyIncome
FamilyA FamilyB
Food 4000 4800
Clothing 2500 3000
Rent 3000 4000
Education 1500 2500
Fuelandlighting 400 800
Others 600 900
Page2of4
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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(Supplementary)-May,2018
Regulation: .?R16
STATISTICSFORMANAGEMENT
Time: 3Hours (MBA) MaxMarks: 70
AnswerONEQuestionfromeachUnit
AllQuestionsCarryEqualMarks
Allpartsofthequestionmustbeansweredinoneplaceonly
UNIT?I
1. (a) Whatarethefunctionsofstatistics?Discussbrie?y. [7M]
(b) Whyitisnecessarytolearnstatistics? [7M]
2. (a) Statisticianattimesmisusesstatistics.Elucidatethisstatement. [7M]
(b) Discussimportantapplicationsofstatisticswithspecialreferencetodecisionmakinginmodern
businessandindustry.Alsobrie?ydescribeitslimitations. [7M]
UNIT?II
3. (a) Thenetpro?tsearnedby140companiesforoneyearareshowninTable1.Calculategeometric
meanandharmonicmean. [7M]
Table1
Netpro?t(Rs.inLakhs) 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Numberofcompanies 5 16 23 36 25 19 14 2
(b) CalculatethequartiledeviationfromthedatashowninTable2. [7M]
Table2
ClassInterval 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Frequency 4 6 8 12 9 7 4
Page1of4
4. (a)CalculatethePearson?smeasureofskewnessonthebasisofmodeandstandarddeviationfor
datashowninTable3. [7M]
Table3
ClassInterval 14-15 15-16 16-17 17-18 18-19 19-20 20-21 21-22
Frequency 35 40 48 100 125 87 43 22
(b)FromthedatagivenintheTable4,?ndoutwhichofthetwoseriesismoreconsistent. [7M]
Table4
ClassInterval 10-20 20-30 30-40 40-50 50-60 60-70
Series-A 10 16 34 38 24 18
Series-B 18 22 38 34 20 8
UNIT?III
5. (a)Whatismeantbyclassi?cation?Stateitsimportantobjectives. [7M]
(b)ThedatashowninTable5relatetomonthlyincomeandexpenditureunderdi?erentheadsfor
twofamilies.Showthedatabypercentagebardiagramandmultiplebardiagram. [7M]
Table5
ItemofExpenditure MonthlyIncome
FamilyA FamilyB
Food 4000 4800
Clothing 2500 3000
Rent 3000 4000
Education 1500 2500
Fuelandlighting 400 800
Others 600 900
Page2of4
6. (a)Explaintheimportanceandlimitationsofgraphsanddiagrams. [7M]
(b)Table6showsthemarkssecuredby100students.Drawhistogramandlocatemodegraphically.
[7M]
Table6
Marks Numberofstudents
0-20 10
20-40 22
40-60 35
60-80 28
80-100 5
UNIT?IV
7. (a)De?neANOVA.ExplainthestepwiseprocedureforonewayANOVA. [7M]
(b)Realtorsareofteninterestedinseeinghowtheappraisedvalue(inthousandsofdollars)ofhome
variesaccordingtothesize(inthousandsofsquarefeet)ofthehome. Findthecorrelation
betweenthemfromTable7. [7M]
Table7
Area 1.1 1.5 1.6 1.4 1.3 1.1 1.7 1.9 1.5 1.3
Value 75 95 95 87 82 98 90 94 87 96
8. (a)Theaveragecommissionchargedbyfullservicebrokerage?rmonasaleofcommonstockis 144 $
andstandarddeviationis 52.JoelFreelanderhastakenarandomsampleof121tradesbyhis $
clientsanddeterminedthattheypaidanaveragecommissionof 151.At0.01signi?cancelevel, $
canJoelconcludethathisclient?scommissionsarehigherthantheindustryaverage? [7M]
(b)Threetrainingmethodswerecomparedtoseewhethertheyledtogreaterproductivityafter
training.ThefollowingdatainTable8areproductivitymeasuresforindividualstrainedbyeach
method [7M]
Table8
Method1 45 40 50 39 53 44
Method2 59 43 47 51 39 49
Method3 41 37 43 40 52 37
At0.05levelofsigni?cance,dothethreetrainingmethodsleadtodi?erentlevelsofproductivity?
Page3of4
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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(Supplementary)-May,2018
Regulation: .?R16
STATISTICSFORMANAGEMENT
Time: 3Hours (MBA) MaxMarks: 70
AnswerONEQuestionfromeachUnit
AllQuestionsCarryEqualMarks
Allpartsofthequestionmustbeansweredinoneplaceonly
UNIT?I
1. (a) Whatarethefunctionsofstatistics?Discussbrie?y. [7M]
(b) Whyitisnecessarytolearnstatistics? [7M]
2. (a) Statisticianattimesmisusesstatistics.Elucidatethisstatement. [7M]
(b) Discussimportantapplicationsofstatisticswithspecialreferencetodecisionmakinginmodern
businessandindustry.Alsobrie?ydescribeitslimitations. [7M]
UNIT?II
3. (a) Thenetpro?tsearnedby140companiesforoneyearareshowninTable1.Calculategeometric
meanandharmonicmean. [7M]
Table1
Netpro?t(Rs.inLakhs) 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Numberofcompanies 5 16 23 36 25 19 14 2
(b) CalculatethequartiledeviationfromthedatashowninTable2. [7M]
Table2
ClassInterval 30-40 40-50 50-60 60-70 70-80 80-90 90-100
Frequency 4 6 8 12 9 7 4
Page1of4
4. (a)CalculatethePearson?smeasureofskewnessonthebasisofmodeandstandarddeviationfor
datashowninTable3. [7M]
Table3
ClassInterval 14-15 15-16 16-17 17-18 18-19 19-20 20-21 21-22
Frequency 35 40 48 100 125 87 43 22
(b)FromthedatagivenintheTable4,?ndoutwhichofthetwoseriesismoreconsistent. [7M]
Table4
ClassInterval 10-20 20-30 30-40 40-50 50-60 60-70
Series-A 10 16 34 38 24 18
Series-B 18 22 38 34 20 8
UNIT?III
5. (a)Whatismeantbyclassi?cation?Stateitsimportantobjectives. [7M]
(b)ThedatashowninTable5relatetomonthlyincomeandexpenditureunderdi?erentheadsfor
twofamilies.Showthedatabypercentagebardiagramandmultiplebardiagram. [7M]
Table5
ItemofExpenditure MonthlyIncome
FamilyA FamilyB
Food 4000 4800
Clothing 2500 3000
Rent 3000 4000
Education 1500 2500
Fuelandlighting 400 800
Others 600 900
Page2of4
6. (a)Explaintheimportanceandlimitationsofgraphsanddiagrams. [7M]
(b)Table6showsthemarkssecuredby100students.Drawhistogramandlocatemodegraphically.
[7M]
Table6
Marks Numberofstudents
0-20 10
20-40 22
40-60 35
60-80 28
80-100 5
UNIT?IV
7. (a)De?neANOVA.ExplainthestepwiseprocedureforonewayANOVA. [7M]
(b)Realtorsareofteninterestedinseeinghowtheappraisedvalue(inthousandsofdollars)ofhome
variesaccordingtothesize(inthousandsofsquarefeet)ofthehome. Findthecorrelation
betweenthemfromTable7. [7M]
Table7
Area 1.1 1.5 1.6 1.4 1.3 1.1 1.7 1.9 1.5 1.3
Value 75 95 95 87 82 98 90 94 87 96
8. (a)Theaveragecommissionchargedbyfullservicebrokerage?rmonasaleofcommonstockis 144 $
andstandarddeviationis 52.JoelFreelanderhastakenarandomsampleof121tradesbyhis $
clientsanddeterminedthattheypaidanaveragecommissionof 151.At0.01signi?cancelevel, $
canJoelconcludethathisclient?scommissionsarehigherthantheindustryaverage? [7M]
(b)Threetrainingmethodswerecomparedtoseewhethertheyledtogreaterproductivityafter
training.ThefollowingdatainTable8areproductivitymeasuresforindividualstrainedbyeach
method [7M]
Table8
Method1 45 40 50 39 53 44
Method2 59 43 47 51 39 49
Method3 41 37 43 40 52 37
At0.05levelofsigni?cance,dothethreetrainingmethodsleadtodi?erentlevelsofproductivity?
Page3of4
UNIT?V
9. (a)Statethedi?erencebetweencorrelationandregression. [7M]
(b)Ineconomicsthedemandfunctionforaproductisoftenestimatedbyregressingthequantity
sold(Q)ontheprice(P).Thecompanyistryingtoestimatethedemandfunctionforitsnew
dollandhascollectedthefollowingdatashowninTable9. [7M]
Table9
P 20.0 17.5 16.0 14.0 12.5 10.0 8.0 6.5
Q 125 156 183 190 212 238 250 276
10. (a)Whatarethecomponentsoftimeseries? [7M]
(b)Anationalshoppingsurveywasconductedtostudytheaverageweeklybuyinghabitsofatypical
familyin1992,and1996.ThedatacollectedisshowninTable10. [7M]
Table10
1992 1996
Items Unitprice() Quantity Unitprice() Quantity $ $
Cheese(8oz) 1.19 2 2.09 1
Bread(1loaf) 0.79 3 1.09 3
Eggs(1dozen) 0.84 2 1.35 1
Milk(1gallon) 1.36 2 2.39 2
Calculatethe
i.Laspeyers
ii.Paasche
iii.Fisherindexnumber.
Page4of4
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This post was last modified on 27 November 2019