M.Com DCM 6201 RESEARCH METHODOLOGY AND STATISTICAL ANALYSIS CODE

Description

 

SESSION	MARCH 2024
PROGRAM	MASTER OF COMMERCE
SEMESTER	2
COURSE CODE & NAME	DCM6201 RESEARCH  METHODOLOGY  AND STATISTICAL ANALYSIS

 

 

Assignment Set – 1

 

1. How would you define research designs? What are the three principles to be taken care of when selecting a research design?

Ans 1.

Definition of Research Designs

Research designs are structured frameworks that outline the methods and procedures for collecting, measuring, and analyzing data. They serve as blueprints for conducting research studies, ensuring that the data gathered are reliable and that the findings can be generalized to a broader population. Research designs guide the researcher in deciding on the type of data to collect, the methodology to employ for collecting it, and the techniques for analyzing it, thus providing a coherent structure to address

 

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2. Give merits and demerits of Questionnaire and Interview method of data collection.

Ans 2.

Questionnaire Method

Merits

1. Cost-Effective and Time-Saving: The questionnaire method is highly economical. It allows data collection from a large sample size spread across wide geographic areas without the necessity of traveling, making it cost-effective and time-efficient.
2. Standardization: All respondents receive the same set of questions; this standardization allows data

 

 

3. Distinguish between descriptive and causal research studies?

Ans 3.

Descriptive and causal research studies are both pivotal in the field of research methodology, yet they serve distinct purposes and adopt different approaches in understanding phenomena.

Descriptive Research

Descriptive research primarily focuses on describing characteristics of a population or phenomenon being

 

Assignment Set – 2

 

 

4. Discuss student’s T-distribution with an illustration?

Ans 4.

The Student’s t-distribution is a fundamental concept in statistics, widely used in situations where the sample size is small, and the population standard deviation is unknown. It is particularly applicable for estimating the means of such populations and for conducting hypothesis testing.

Overview of Student’s T-Distribution

Developed by William Sealy Gosset under the pseudonym “Student,” the t-distribution is similar to the standard normal

 

5. Explain the various steps involved in the tests of the hypothesis testing.

Ans 5.

STEPS INVOLVED IN HYPOTHESIS TESTING

Now you are going to learn various steps involved in hypothesis testing, which are explained below.

1. Setting-up of hypothesis: The first step is to set up the decision-making process. This involves specifying the null hypothesis (H0) and the alternative hypothesis (H).
2. Selecting a significance level: A criterion used for rejecting the null hypothesis is the significance level. The

 

6. Explain the concepts of Validity and Reliability with examples.

Ans 6.

Validity and reliability are two fundamental aspects of research methodology that ensure the accuracy and consistency of the data collected and the conclusions drawn. Understanding these concepts is crucial for conducting scientifically sound research.

Validity

Validity refers to the extent to which a research instrument measures what it is intended to measure. It ensures that the study reflects the specific concept it aims to address. Validity is generally broken down into