IGNOU. Eco07. Elements of statistics. Important Questions for December Exam
IMPORTANT QUESTIONS
ECO 07
1. Explain briefly the steps involved in statistical survey starting from defining the problem to writing the report.
2. A. Explain various parts of a statistical table.
B. State the guidelines that should be kept in mind while preparing diagrams.
3. What are the main source of secondary data? What precautions should you observed in making use of secondary data?
4. A. Distinguish between biased and unbiased errors. Discuss the methods of estimating the errors both absolutely and relatively.
B. What is class interval? How do you determine the magnitude of the class interval and class limit?
5. Write short notes on the following:
- Tabulation
- False base line
- Objective of classification
- Distrust of statistics
- Multivariate frequency distribution
- Secondary data
- Primary data
- Statistics
- Lorenz curve
- Sampling
- Law of statistical regularity
- Non random sampling
- Random sampling
- Stratified sampling
- Statistical error
- Personal interviewing
- Non probability sampling
6. Distinguish between:
- Dispersion & skewness
- Histogram and historigram
- Quartile and Dec
- Harmonic mean and geometric mean
- Schedule and questionaire
- Bar diagram and pie diagram
- Ratio and percentage
- Mean and mode
- Lower and upper quartile
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