Download PTU BBA 2020 March 2nd Sem 75916 Business Statistics Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) BBA (Bachelor of Business Administration) 2020 March 2nd Sem 75916 Business Statistics Previous Question Paper

1 | M-75916 (S12)-511

Roll No. Total No. of Pages : 02
Total No. of Questions : 09
BBA/BBA/RD/SIM) (2018 Batch) (Sem.?2)
BUSINESS STATISTICS
Subject Code : BBA-201-18
M.Code : 75916
Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B consists of FOUR Sub-sections : Units-I, II, III & IV.
3. Each Sub-section contains TWO questions each, carrying TEN marks each.
4. Student has to attempt any ONE question from each Sub-section.

SECTION-A
1. Write briefly :
a) Primary Data
b) Inferential Statistics
c) Geometric Mean
d) Standard Deviation
e) Probability Sampling
f) Harmonic Mean
g) Bayes? Theorem
h) Poission Distribution
i) Correlation
j) Regression

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1 | M-75916 (S12)-511

Roll No. Total No. of Pages : 02
Total No. of Questions : 09
BBA/BBA/RD/SIM) (2018 Batch) (Sem.?2)
BUSINESS STATISTICS
Subject Code : BBA-201-18
M.Code : 75916
Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B consists of FOUR Sub-sections : Units-I, II, III & IV.
3. Each Sub-section contains TWO questions each, carrying TEN marks each.
4. Student has to attempt any ONE question from each Sub-section.

SECTION-A
1. Write briefly :
a) Primary Data
b) Inferential Statistics
c) Geometric Mean
d) Standard Deviation
e) Probability Sampling
f) Harmonic Mean
g) Bayes? Theorem
h) Poission Distribution
i) Correlation
j) Regression

2 | M-75916 (S12)-511

SECTION-B
UNIT-I
2. What is statistics? Discuss its functions and scope.
3. Classify and explain various sampling techniques.
UNIT-II
4. In a moderately asymmetric distribution, the mode and mean are 32.1 and 35.4
respectively. Find the value of Median.
5. The following table shows the monthly expenditure of 80 students of a university on
breakfast :
Expenditure (Rs.) No. of students Expenditure (Rs.) No. of Students
780-820 2 530-570 13
730-770 6 480-520 9
680-720 7 430-470 7
630-670 12 380-420 4
580-620 18 330-370 2
Calculate mean, standard deviation, and coefficient of variation of above data.
UNIT-III
6. Two ladies were asked to rank 7 different types of lipsticks. The ranks given by them are
as follow :
Lipsticks A B C D E F G
Neetu 2 1 3 4 5 7 6
Shalini 1 3 4 2 5 6 7
Calculate Spearman?s rank correlation coefficient.
7. In a correlation study the following values are obtained :
X Y
Mean 65 67
Standard Deviation 2.5 3.5
Coefficient of Correlation 0.8
Find the two regression equations that are associated with the above values.
UNIT-IV
8. What is probability? Explain laws of probability.
9. What is Binomial distribution? Compare Normal and Poission distribution.
NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any
paper of Answer Sheet will lead to UMC against the Student.
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