Statistics For Business Research M.B.A Question Paper : vardhaman.org

College : Vardhaman College Of Engineering
Degree : M.B.A
Semester : I
Subject : Statistics For Business Research
Document type : Question Paper
Website : vardhaman.org

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Statistics For Business Research Question Paper :

MBA I Semester Supplementary Examinations – 2014
(Master of Business Administration)
Date : 04 July, 2014
Time : 3 Hours
Max. Marks : 60

Related / Similar Question Paper :
Vardhaman College M.Tech Software Architecture & Design Patterns Question Paper

Answer any FIVE Questions.
All Questions carries equal marks
All parts of the question must be answered in one place only :
1. Define Research. Explain the various steps in the research process. 12M
2. Explain various scaling techniques used in research? 12M
3. For the following raw data prepare a frequency distribution with the starting class as 5 – 9 and all classes with the same width 5.
Marks in English
12 36 40 16 10 10 19 20 28 30
19 27 15 21 33 45 7 19 20 26
26 37 6 5 20 30 37 17 11 20
Also find Arithmetic Mean. 12M

4. Calculate correlation co-efficient between expenditure on advertising and sales from the data given below:
Expenditure o nAdvertisement (Rs’000) 39 65 62 90 82 75 25 98 36 78
Sales (lakh Rs.): 47 53 58 86 62 68 60 91 51 84

5. The data given below are the figures of production ( in 1000 tones) of a sugar factor:
year 2005 2006 2007 2008 2009 2010 2011
production 77 88 94 85 91 98 90
Fit a straight line by the method of least squares and show the trend values.

6. For the following data test Fisher’s ideal index number satisfies both Time reversal and Factor reversal tests.
Commodity Base Year Current Year Price Quantity Price Quantity
A 2 7 6 6
B 3 6 2 3
C 4 5 8 5
D 5 4 2 4

7. a) A survey on semi-skilled workers in two cities gives the following information:
City Mean monthly earning Standard deviation size
A 695 40 200
B 710 60 175
Test the hypothesis at 5 percent level that there is no difference between monthly earnings of workers in the two cities. 6M

b) Explain clearly the procedure generally followed in testing of hypothesis? 6M

8. Write short notes on any three of the following: 12M
i. Null Hypothesis
ii. Parametric test
iii. F-test
iv. t-test

STATISTICS FOR BUSINESS RESEARCH
(Master of Business Administration)
Date : 3 February, 2014
Time : 3 Hours
Max. Marks : 60
Answer any FIVE Questions.
All Questions carry equal marks

All parts of the question must be answered in one place only :

1. Explain the methods of data collection in detail. 12M
2. a) Explain the various instrument used in management research. 6M
b) What are the different types of scales? Discuss. 6M
3. a) What are the differences between absolute and relative measures of dispersion? Write down the formula for each one of them. 4M
b) Calculate the appropriate measures of dispersion from the following data:
Wages Number of earners
< 35 14
35-37 60
38-40 95
41-43 24
> 43 7 8M

4. If two lines of regression are:
20x -9y-107 = 0 and 4x-5y+30 = 0
i. Find the mean values of x and y.
ii. Which of these lines is the line of regression of y on x and which line is the line of regression on x on y?
iii. Find the correlation coefficient between x and y.
iv. Find the standard deviation of y if the standard deviation of x is 3.

5. Fit a straight line trend by the method of least square from the following data. Also obtain trend for the year 1998.
Year 2004 2005 2006 2007 2008 2009 2010
Sales 180 190 192 183 194 199 192

6. Construct Fisher’s Ideal index number using the following data and show how it satisfies the time and factor reversal test. 12M
Commodity 2012 Quantity Price Quantity Price 2013
A 40 24 60 28
B 26 28 30 40
C 24 20 40 30
D 16 12 20 08
E 10 16 10 12

7. Write short notes on any three of the following:
i. Alternative Hypothesis
ii. Non-Parametric test
iii. Z test
iv. Type I and type II errors 12M

8. The table shows the data obtained during outbreak of Dengue
Attacked Not attacked Total
Vaccinated 31 469 500
Not Vaccinated 185 1315 1500
Total 216 1784 2000
Test the effectiveness of vaccination in preventing the attack from Dengue. Test this results at 5% significance level using Chi-Square test ( value of 2 ? = 3.841)

Managerial Economics : (Master of Business Administration)
Date : 5 July, 2014
Time : 3 Hours
Max. Marks : 60
Answer any FIVE Questions.
All Questions carries equal marks
All parts of the question must be answered in one place only

1 a) What is meant by Managerial Economics? 6M
b) Explain clearly its aspects of application. 6M

2 a) What is meant by Law of demand? Are there any types of demand? 5M
b) Explain the Law of demand with a table and graph. Are there any assumptions and exceptions? 7M
3 a) How do you explain the meaning of Law of Supply? 5M
b) Briefly explain the Elasticity of Supply. 7M

4 Describe the meaning of production function. Explain with one variable input and with two variable inputs. 12M
5 a) What is meant by “MONOPOLY”? What are the causes? 5M
b) Illustrate the process of price determination under “MONOPOLY”. 7M

6 What is meant by “Break Even Point”. Show with a graph? How do you find it? How it is useful for a business person in taking managerial decision. 12M
7. What is Inflation? Explain various measures to control Inflation. 12M
8 Discuss various measures to control Business Cycles. 12M