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Important announcement: (Last date of submission for January 2023 session is 30th April, 2023 and for July 2023 sessions is 31st October, 2023)
1. Discuss the various experimental designs as powerful tools to study the cause-and-effect relationships among variables in research.
2. A parliamentary study on the issue of self-rule for the District of Chandigarh involved surveying 2,000 people from the city’s population regarding their opinions on several issues related to self-rule. Chandigarh is a city in which many neighbourhoods are poor, and many neighbourhoods are rich, with very few neighbourhoods falling between the extremes. The researchers who were administering the survey had reasons to believe that the opinions expressed on the various questions would be highly dependent on income. Which method was more appropriate, stratified sampling or cluster sampling? Explain briefly.
3. Three samples of five, four and five moor car tyres are drawn respectively from three brands, A, B and C, manufactured by three machines. The lifetime of these tyres (in ‘000 miles) is given below. Test whether the average lifetime of the three brands of tyres is equal or not.
A B C
45 41 44
42 40 42
43 42 38
44 43 43
42 … 39
4. Describe the major events of your college life to a group of your friends. You make a 3 minutes presentation and ask for their reactions to the presentations and their suggestions for improvement on the focus of the presentation theme. List out the suggestions they make to you.
5. You may go through various issues of any management journal(s). You may likely come across a regression model for estimating, sales, advertisement expenditure, price or any other variable. Discuss how the model may be used for the following:
a. Explanation purposes.
b. Prediction of the future value of the dependent variable.
c. Helping the decision maker decides what to do to achieve a given object
July 2022
1. Distinguish between the terms within each of the following pairs.
(a) Endogenous variables and exogenous variables.
(b) Characteristics of interest and unit of analysis.
2. Compare and contrast the various attitude measurement techniques. When will you use each of them? Discuss briefly.
3. Briefly review the different types of models along with their characteristics.
4. A report should be thoroughly reviewed and edited before the final report is submitted. What are the questions that were asked while reviewing the draft?
5. Twenty three applicants for a position are interviewed by a suitability test and their performance scores are listed below:
Group A: 7 11 9 4 8 6 12 11 9 10 11
Group B: 8 8 13 14 11 10 12 14 13 9 10 9
Use the Mann Whitney U-test to determine whether there was a difference in the performance scores of two groups X and Y at 5% level of significance.
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MS95 IGNOU Assignment Question for Answer
1. “Analysis of covariance is a combination of the two techniques – analysis of variance and regression”. Explain the statement along with the uses of analysis of covariance.
2. Compare and contrast the various attitude measurement techniques. When will you use each of them? Discuss briefly.
3. What type of information is there in the “cover and the title page and introductory page of a report”?
4. “Regression analysis is probably the most widely applied technique amongst the analytical models of association used in business research”. Do you agree? Give reasons to support your answer.
5. In an agricultural field experiment, three different fertilizers were used on sample plots and yields were recorded. On the basis of these data, test the hypothesis that there is no significant difference in yields from three different fertilizers (using The Kruskal-Wallis Test).
Yield (in MT)
Fertilizer A 2.48 3.25 3.94 3.45 3.0 4.0 3.6 3.87
Fertilizer B 2.84 3.1 3.5 2.27 3.88 2.87 3.27 2.8
Fertilizer C 3.4 3.17 2.85 2.46 3.15 2.69 2.88 3.44
Old Assignment
1. “Analysis of covariance is a combination of the two techniques- analysis of variance and regression.” Discuss the statement in the light of concept of Analysis of covariance.
2. “The collection of primary data for business research is of paramount importance to assist management in making decisions.” Do you agree? Comment on the statement. Also, explain various methods of collecting primary data in brief.
3. “Presentation skills include the ability to mix in the right proportion various elements.” What are these elements? Explain them in brief.
4. The production manager in a large undertaking randomly paid 10 visits to the work site in a month. The number of workers who reported late for duty were found to be 2,4,5,1,6,3,2,1,7 and 8 respectively. Using the Wilcoxon signed rank test, verify the claim of production superintendent at 0.05 level of significance that on an average not more than
3 workers report late for duty.
5. Write the short note on the following:-
(a) Role of Research in Marketing & Banking
(b) The Q-Sort Technique
(c) Discriminant Analysis
(e)Categories of Report