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प्रश्न
Choose the correct alternative:
In simple random sampling from a population of units, the probability of drawing any unit at the first draw is
विकल्प
`"n"/"N"`
`1/"N"`
`"N"/"n"`
1
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उत्तर
`1/"N"`
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संबंधित प्रश्न
Give two examples each of sample, population and variable.
Do samples provide better results than surveys? Give reasons for your answer.
What is population?
What is sample?
What is sampling distribution of a statistic?
Explain in detail about simple random sampling with a suitable example
State any two merits for systematic random sampling
Choose the correct alternative:
A random sample is a sample selected in such a way that every item in the population has an equal chance of being included
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
