Advertisements
Advertisements
प्रश्न
State any two demerits of systematic random sampling
उत्तर
Demerits:
1. Systematic samples are not random samples.
2. If N is not multiple of n-then the sampling interval (k) cannot be an integer, thus sample selection becomes difficult.
APPEARS IN
संबंधित प्रश्न
Non-sampling errors can be minimized by taking large samples.
Does the lottery method always give you a random sample? Explain.
Do samples provide better results than surveys? Give reasons for your answer.
What is sample?
Explain in detail about simple random sampling with a suitable example
Explain in detail about non-sampling error
Choose the correct alternative:
A ______ may be finite or infinite according as the number of observations or items in it is finite or infinite
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
Choose the correct alternative:
In simple random sampling from a population of units, the probability of drawing any unit at the first draw is
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
