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प्रश्न
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
विकल्प
Harper
Fisher
Karl Pearson
Dr. Yates
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उत्तर
Harper
APPEARS IN
संबंधित प्रश्न
There is a certain bias involved in the non-random selection of samples.
Give two examples each of sample, population and variable.
Define parameter
Explain in detail about simple random sampling with a suitable example
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
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:
Any statistical measure computed from sample data is known as ______
Choose the correct alternative:
Which one of the following is probability sampling
Choose the correct alternative:
In ______ the heterogeneous groups are divided into homogeneous groups
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
