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प्रश्न
Explain the types of sampling
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उत्तर
There are two types of sampling.
They are:
(1) Non-Random sampling or Non-probability sampling
(2) Random sampling or probability sampling Random sampling refers to selection of samples from the population in a random manner.
A random sample is one where each and every item in the population has an equal chance of being selected.
“Every member of a parent population has had equal chances of being included “Dr. Yates.
“A random sample is a sample selected in such a way that every item in the population has an equal chance of being included”-Harver.
The different types of probability sampling are:
(1) Sampling random sampling
(2) Stratified random sampling
(3) Systematic sampling
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संबंधित प्रश्न
Do samples provide better results than surveys? Give reasons for your answer.
What is population?
Explain in detail about simple random sampling with a suitable example
State any two merits of simple random sampling
State any three merits of stratified random sampling
State any two merits for systematic random sampling
A random sample of 60 observations was drawn from a large population and its standard deviation was found to be 2.5. Calculate the suitable standard error that this sample is taken from a population with standard deviation 3?
Choose the correct alternative:
A finite subset of statistical individuals in a population is called ______
Determine the standard error of proportion for a random sample of 500 pineapples was taken from a large consignment and 65 were found to be bad
Use the data in the Table below that relate to monthly household expenditure (in Rs) on the food of 50 households and
| 1904 | 1559 | 3473 | 1735 | 2760 |
| 2041 | 1612 | 1753 | 1855 | 4439 |
| 5090 | 1085 | 1823 | 2346 | 1523 |
| 1211 | 1360 | 1110 | 2152 | 1183 |
| 1218 | 1315 | 1105 | 2628 | 2712 |
| 4248 | 1812 | 1264 | 1183 | 1171 |
| 1007 | 1180 | 1953 | 1137 | 2048 |
| 2025 | 1583 | 1324 | 2621 | 3676 |
| 1397 | 1832 | 1962 | 2177 | 2575 |
| 1293 | 1365 | 1146 | 3222 | 1396 |
Monthly Household Expenditure (in Rupees) on Food of 50 Households
Find the number of households whose monthly expenditure on food is
(b) more than Rs 3000
(c) between Rs 1500 and Rs 2500
