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MCO 03: Research Methodology and Statistical Analysis
June 2019
Q1. What do you understand by the following terms?
(i) Measurement, and
(ii) Scaling
(b) Explain 'Continuous Rating Scales' with suitable example.
Q2. (a) Differentiate between census and sampling with suitable examples.
() Explain 'Stratified Random Sampling' with suitable example.
Q3. The following data is obtained from 30 students of B.com.
| S.N. | Subjects | Marks Scored | Sex | Caste |
|---|---|---|---|---|
| 1 | Accounts | 60 | Female | General |
| 2 | Statistics | 70 | Female | SC |
| 3 | Statistics | 40 | Male | ST |
| 4 | Accounts | 30 | Female | SC |
| 5 | Accounts | 70 | Female | ST |
| 6 | Statistics | 55 | Female | OBC |
| 7 | Statistics | 45 | Male | OBC |
| 8 | Accounts | 48 | Female | General |
| 9 | Statistics | 67 | Female | General |
| 10 | Statistics | 75 | Male | General |
| 11 | Accounts | 35 | Male | General |
| 12 | Statistics | 80 | Male | General |
| 13 | Accounts | 53 | Female | OBC |
| 14 | Accounts | 38 | Male | OBC |
| 15 | Accounts | 58 | Male | SC |
| 16 | Statistics | 66 | Female | ST |
| 17 | Accounts | 80 | Female | ST |
| 18 | Accounts | 83 | Male | OBC |
| 19 | Statistics | 44 | Male | OBC |
| 20 | Statistics | 42 | Male | ST |
| 21 | Statistics | 56 | Female | SC |
| 22 | Accounts | 55 | Female | General |
| 23 | Accounts | 74 | Male | General |
| 24 | Accounts | 78 | Male | General |
| 25 | Accounts | 36 | Male | OBC |
| 26 | Statistics | 65 | Female | ST |
| 27 | Accounts | 54 | Male | OBC |
| 28 | Accounts | 42 | Male | ST |
| 29 | Statistics | 36 | Female | SC |
| 30 | Statistics | 55 | Female | SC |
Prepare a complex table considering all factors.
Q4. the following data relates to the Tea exports in India during 1995-96 to 2001-02
| Year | 1995-96 | 1996-97 | 1997-98 | 1998-99 | 1999-00 | 2000-01 | 2001-02 |
|---|---|---|---|---|---|---|---|
| Export (In million kgs) | 167 | 209 | 410 | 316 | 192 | 215 | 160 |
(a) Draw a histogram
(b) Draw a frequency polygon
(c) Calculate mean exports for the above period.
Q5. What do you understand by:
(a) null hypothesis,
(b) alternative hypothesis,
(c) Type - I error, and
(d) Type - II error
Q6.(a) What do you understand by 'Chi-square test for goodness of fit'?
(b) Explain the conditions for applying Chi-square test.
Q7. (a)Discuss different stages in preparation of a report.
(b)What precautions are to be taken while interpreting the statistical data ? Explain.
Q8. Write short notes on any four of the following :
(a) Correlation
(b) Price Indices
(c) Level of significance
(d) Yates correction
(e) Pie diagram
(f) Skewness