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प्रश्न
What is sample?
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उत्तर
A sample is a set of data collected from a statistical population by a defined procedure.
The elements of a sample are called sample size or sample points.
Samples are collected and statistics are calculated from the samples
So that one can make inferences from the sample to the population.
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संबंधित प्रश्न
There is a certain bias involved in the non-random selection of samples.
Non-sampling errors can be minimized by taking large samples.
In a village of 200 farms, a study was conducted to find the cropping pattern. Out of the 50 farms surveyed, 50% grew only wheat. What is the population and the sample size?
Which of the following errors is more serious and why?
Discuss how you would use the lottery method to select 3 students out of 10 in your class?
Explain the procedure of selecting a random sample of 3 students out of 10 in your class, by using random number tables.
Using the following Tippet’s random number table
| 2952 | 6641 | 3992 | 9792 | 7969 | 5911 | 3170 | 5624 |
| 4167 | 9524 | 1545 | 1396 | 7203 | 5356 | 1300 | 2693 |
| 2670 | 7483 | 3408 | 2762 | 3563 | 1089 | 6913 | 7991 |
| 0560 | 5246 | 1112 | 6107 | 6008 | 8125 | 4233 | 8776 |
| 2754 | 9143 | 1405 | 9025 | 7002 | 6111 | 8816 | 6446 |
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Choose the correct alternative:
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