Download PTU ( I.K.Gujral Punjab Technical University (IKGPTU)) The Bachelor of Business Administration (BBA) 2020 December 3rd Sem 70625 Business Statistics Previous Question Paper
Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
BBA (2014 to 2017)/BRDM/B.SIM (2014 & Onwards) (Sem.?3)
BUSINESS ST ATISTICS
Subject Code : BBA-304
M.Code : 70625
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
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
Answer briefly :
1.
What is meant by classification of data?
2.
State the objectives of central tendency measures.
3.
Explain what is the meaning of measures of variation?
4.
What is meant by coefficient of regression?
5.
What is standard error of estimate?
6.
What are seasonal indices?
7.
What is meant by weighted price index?
8.
Explain what is the meaning of irregular variations?
9.
Discuss the concept of random variables.
10. State the multiplicative theorem of probability.
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SECTION-B
UNIT-I
11. Discuss the different techniques of data collection, giving examples.
12. Discuss and differentiate between mean deviation and standard deviation. Also comment
on the significance of coefficient of variation.
UNIT-II
13. What is meant by correlation? List and explain the various methods of studying
correlation.
14. Find out the regression equation of Y on X from the following data :
X
10
20
30
40
50
Y 105 130 155 180 205
UNIT-III
15. What are index numbers? What is their importance and uses in business? Discuss the test
for an ideal index number.
16. Define Time Series. List and explain the various components of time series.
UNIT-IV
17. Discuss and differentiate between classical approach, relative frequency approach and
subjective approach to probability.
18. State the Baye's theorem. How is it different from conditional probability? Also discuss
the relevance of Baye's theorem to business management.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 15 February 2021