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प्रश्न
What is population?
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उत्तर १
The group of individuals considered under study is called the population.
The word population here refers not only to people but to all items that have been chosen for the study.
उत्तर २
A population is defined as a group of organisms of the same species living in a geographically localized area in a specific time span and capable of interbreeding among themselves to produce fertile offspring.
In simple terms, the population of a country or of any area is the total number of people who live in it.
संबंधित प्रश्न
Give two examples each of sample, population and variable.
Does the lottery method always give you a random sample? Explain.
What is sample?
Explain in detail about simple random sampling with a suitable example
Explain in detail about non-sampling error
State any two merits of simple random sampling
A sample of 1000 students whose mean weight is 119 lbs (pounds) from a school in Tamil Nadu State was taken and their average weight was found to be 120 lbs with a standard deviation of 30 lbs. Calculate the standard error of the mean
Choose the correct alternative:
A ______ may be finite or infinite according as the number of observations or items in it is finite or infinite
Explain the types of sampling
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
