OU BSc Computer Science 2021 Important Question Bank || Osmania University (Important Questions)
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BSc Vth semester Question bank
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Sampling Theory
UNIT-I
- Define concepts of population. And all definitions of sample survey.
- Explain principle steps in sample survey.
- Concepts of sampling errors and non-sampling errors survey. And advantages and disadvantages.
- How many types of sampling methods and explain them.
- Explain two types of drawing random samples. WR and WOR?
- All theorems in 1st unit.
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UNIT -II
- Define stratified random sampling. And advantages, disadvantages of it.
- Explain Neyman and proportional allocation in stratified random sampling.
- Define Systematic sampling and advantages and disadvantages of it.
- All theorems in stratified random sampling.
- All theorems in systematic sampling.
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UNIT -III
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- Define Time series and its components.
- Determination of trend by least squares and moving average methods And its problems.
- Define growth curves and their fitting with reference to modified exponential, gompertz and logistic curves.
- Determination of seasonal indices by ratio to moving average. And its problems.
- Determination of seasonal indices by ratio to trend and link relative methods. And its problems.
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UNIT -IV
- Define demand and supply. And Price elasticity of supply and demand.
- Explain methods of determining demand and supply curves.
- Explain Leontief’s, Pigou’s method of determining demand curve from time series data.
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Index Numbers
- Define Index Numbers and its uses.
- Explain simple and weighted Index Numbers.
- Criterion of good Index numbers, Problems involved in the construction of Index numbers.
- Explain Fisher’s index as an ideal Index number.
- Explain Fixed and chain based index numbers.
- Explain Cost of living and Wholesale price Index numbers.
- Explain Laspeyer’s, Paasche’s and Fisher’s Index numbers. And its problems.
- Define Base shifting, splicing and deflation of Index numbers and its problems.
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