IGNOU MCO 03 Solved Assignment 2026 English Medium PDF Download Details
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| Course Code | MCO 03 |
| Course Title | Research Methodology and Statistical Analysis |
| Session | January 2026 – July 2026 |
| Medium | English |
| Assignment Code | MCO-03/TMA/2026 |
IGNOU MCO 03 Solved Assignment 2026 English Medium Question Paper
MCO 03 : Research Methodology and Statistical Analysis
Q. 1 a) Discuss the significance of research in business decision-making. Briefly explain the Basic and Applied Research.
b) What is a Research Plan? Discuss the importance of formulating a workable Hypothesis.
Q. 2 a) Explain the concepts of Measurement and Scaling in research and describe the four levels of measurement namely Nominal, Ordinal, Interval and Ratio.
b) What is Correlation? Explain how Regression Analysis is used in business research.
Q. 3 Briefly comment on the following:
a) “The choice of a Sampling Method depends on the trade-off between cost, speed, and precision.”
b) “Diagrammatic and Graphic presentation of data reduces the complexity of raw observations.”
c) “The Chi-Square Test is a powerful tool for testing the independence of attributes and goodness of fit.”
d) “Index Numbers are often referred to as ‘Economic Barometers’ because they measure changes in variables over time.”
Q. 4 Write short notes on the following:
a) Precautions in using Secondary Data.
b) Components of a Time Series.
c) Significance of the Standard Error in hypothesis testing.
d) Structure and Prefatory items of a Formal Research Report.
Q. 5 Distinguish between the following:
a) Questionnaire and Schedule methods of data collection.
b) Measures of Central Tendency and Measures of Variation
c) Binomial Distribution and Poisson Distribution.
d) Type-I Error and Type-II Error
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