DCM6201 RESEARCH METHODOLOGY AND STATISTICAL ANALYSIS JAN FEB 2026

Description

SESSION	JAN FEB 2026
PROGRAM	MASTER OF COMMERCE (M.COM)
SEMESTER	II
COURSE CODE & NAME	DCM6201 RESEARCH METHODOLOGY AND STATISTICAL ANALYSIS

 

 

Assignment Set – 1

 

Q.1. Describe in detail the steps to be carried out in a typical research study. (10 Marks)

Ans 1.

Research is an organized, systematic method of investigation aimed at discovering, interpreting, and changing facts in order to improve knowledge or resolve problems. Conducting a rigorous research study requires following a structured process that will ensure the research is valid, reliable, and meaningful.

Step 1: Identifying and Defining the Research Problem

The first step in the research process is the identification of a certain concern or issue that the

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Q.2. Briefly discuss research designs. Outline the three principles to be taken care of when selecting a research design. (5+5 = 10 Marks)

Ans 2.

Research Designs

A research design is an outline or plan which defines the methods for collecting, analysing, and interpreting data to answer research-related questions or investigate theories. It specifies how research will be structured and executed. Research plans are generally classified into three categories based on the reason for which they are designed.

Exploratory Research Design can be used to study a subject when the researcher has only a little

 

 

Q.3. Differentiate between sample and census. Explain the various sources of non-sampling errors. (5+5 = 10 Marks)

Ans 3.

Sample vs Census

A Census is a data gathering technique in which data is collected from each individual or subject population without exception. The subject population could include all households in a country and all employees from an organization, or all students at a college. Census data is complete and exact for the people of the country, and is therefore considered to be the gold standard for

 

Assignment Set – 2

 

Q.4. Describe in detail the measures of central tendency. Summarize the relation between mean, median, and mode. (5+5 = 10 Marks)

Ans 4.

Measures of Central Tendency

Measures of central tendency are the statistical measurements that indicate the center or common values of a data set. They summarise a large collection of findings using a representative number that captures where most data points are clustered. The three most significant indicators are the arithmetic median or median as well as the moderate.

The Arithmetic Mean is the most frequently used measurement of central tendency. It’s

 

 

Q.5. Explain the various steps involved in the tests of the hypothesis exercise. (10 Marks)

Ans 5.

Hypothesis testing is a statistical procedure used to evaluate a claim or assumption about an individual’s population by using results. It offers a thorough, independent framework to make decisions regarding whether the observed results match with the hypothesis of a population condition or whether there is evidence to support a assumption. It follows a clearly defined

 

 

Q6. A survey was carried out in a state among the doctors belonging to the rural health service cadre (500 doctors) and among the medical education directorate cadre (300 teaching doctors). They were asked a question, ‘Would it be acceptable to you, if the government proposes to hire all the doctors on a fixed period contractual basis?’ The  doctors were to answer either as ‘Acceptable’ or ‘Not Acceptable’. There was no third category ‘Undecided’. The following was the data compiled in a cross-tabulated format:

Doctors	Acceptable	Not acceptable	Total
Rural Cadre	195	305	500
Teaching Cadre	140	160	300
Total	335	465	800

 

Test an appropriate hypothesis using a 5 percent level of significance.

Ans 6.

Statistics hypothesis testing can help researchers establish whether differences observed in the data are meaningful or just a coincidence. To answer this The Chi-Square Test of Independence is employed to assess whether doctors are of the opinion that their opinions on contractual appointments correspond to their particular cadre.

Chi-Square Test of Independence

The Chi-Square (kh2) test for independence tests the presence of a significant connection