Roll No.
Total No. of Questions : 15
Total No. of Pages : 02
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MBA (2016 to 2017) (Sem.-1)
QUANTITATIVE TECHNIQUES
Subject Code: MBA-104
M.Code : 49004
Time : 3 Hrs.
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Max. Marks : 60
INSTRUCTION TO CANDIDATES :
- SECTION-A contains SIX questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-B consists of FOUR Subsections: Units-I, II, III & IV. Each Subsection contains TWO questions each carrying EIGHT marks each and student has to attempt any ONE question from each Subsection.
- SECTION-C is COMPULSORY and consist of ONE Case Study carrying EIGHT marks.
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SECTION-A
- What is meant by data tabulation?
- Discuss the essence of skewness and kurtosis.
- Explain the tests of significance for small samples.
- What is the significance of spearman's rank correlation coefficient?
- Explain what is meant by deflation and splicing?
- Discuss the two theorems of probability, giving examples.
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SECTION-B
UNIT-I
- Discuss the scope and importance of statistics. Further discuss the applications of statistics in managerial decision making, giving examples.
- Find out the standard deviation for the following data :
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| X | 110-115 | 115-120 | 120-125 | 125-130 | 130-135 | 135-140 | 140-145 |
|---|---|---|---|---|---|---|---|
| Freq | 3 | 8 | 11 | 16 | 12 | 9 | 4 |
UNIT-II
- Define Sampling. Explain the different types of sampling.
- Participation of customers was noted during a recent online sale. Their monthly incomes were also noted. Find out if there is any association between their income and their participation in the sale? (Given for v = 3, ?² = 7.815)
| Participation | Income (in '000 Rs.) | ||||
|---|---|---|---|---|---|
| Below 30 | 30-40 | 40-50 | Above 50 | Total | |
| Participated in the sale | 130 | 60 | 60 | 50 | 300 |
| Did not participate | 80 | 50 | 30 | 40 | 200 |
| Total | 210 | 110 | 90 | 90 | 500 |
UNIT-III
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- Write brief notes on :
- Regression coefficients
- Standard error
- Explain what is meant by Index numbers? Discuss their different methods of construction.
UNIT-IV
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- What is time series analysis? List and explain its various methods.
- Write brief notes on :
- Random Variables
- Normal Distribution
SECTION-C
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- A study was conducted on the salesmen of a company. The sales revenues (in Rs Lakhs) achieved in a particular quarter was cross tabulated vis-a-vis their experiences. As a business analyst, find out if there is any correlation or association between the experience years of the salesmen and the sales revenues, and to what degree?
| Revenues achieved (Rs Lakhs) | Experience (in years) | |||
|---|---|---|---|---|
| 18 | 19 | 20 | 21 | |
| 200-250 | 4 | 4 | 2 | 1 |
| 250-300 | 3 | 5 | 4 | 2 |
| 300-350 | 2 | 6 | 8 | 5 |
| 350-400 | 1 | 4 | 6 | 10 |
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 download link is referred from the post: PTU MBA 2020 March Previous Question Papers