Download PTU ( I.K.Gujral Punjab Technical University (IKGPTU)) The Bachelor of Business Administration (BBA) 2020 December 2nd Sem 75916 Business Statistics Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
BBA/BBA(RD/SIM/Business Economics) (2018 Batch) (Sem.?2)
BUSINESS ST ATISTICS
Subject Code : BBA-201 -18
M.Code : 75916
Time : 3 Hrs.
Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B cons ists of F OUR Sub-sec tions : Un its-I, II, III & IV.
3 .
Eac h Sub-section contains TWO questions each , carry in g T EN ma rks e ach .
4 .
Students have to atte mpt an y ONE ques tion from each Sub-section.
SECTION-A
Write briefly :
Q1 Define Statistics and its limitations in brief.
Q2 What do you mean by probability sampling? Discuss Stratified and convenience
sampling.
Q3 What do you mean by standard deviation? Write any two properties of S.D.?
Q4 Discuss the difference between linear and non linear correlation.
Q5 What do you mean by regression analysis? Discuss its utility.
Q6 Discuss the difference between correlation and causation.
Q7 Define Variance and how it is different from standard deviation?
Q8 Define Median and Mode.
Q9 What do you mean by mutually exclusive units in probability?
Q10 Explain binomial distribution and write its formula.
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SECTION-B
UNIT-I
Q11 What do you mean by data collection? Discuss the various sources of data collection.
Q12 What do you mean by statistics? Discuss its importance and functions.
UNIT-II
Q13 What do you mean by Standard deviation? Discuss the properties of standard deviation
and variance.
Q14 Calculate the mean from following data assume mean = 165.
Cost of living index
No. of Workers
Cost of living Index
No. of Workers
140-150
5
170-180
9
150-160
10
180-190
6
160-170
20
190-200
2
UNIT-III
Q15 What do you mean by regression analysis? Discuss in detail the relationship between
regression and correlation in detail.
Q16 Calculate the rank correlation coefficient :
Marks in
X
20
30
40
50
60
70
80
Paper I
Marks in
Y
14
5
30
32
40
45
65
Paper II
UNIT-IV
Q17 What do you mean by normal curve? Discuss its properties in detail.
Q18 A box contains 8 red, 3 white and 9 blue balls if three balls are drawn at random
determine the probability that a) all three are red, b) 2 are red, c) all three are white.
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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This post was last modified on 15 February 2021