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प्रश्न
Discuss how you would use the lottery method to select 3 students out of 10 in your class?
उत्तर
The following method can be used while selecting 3 students out of 10 of the class.
(i) Make ten paper slips of equal size.
(ii) Write the name of each student on each slip.
(iii) Make sure that no two slips contain the same names.
(iv) Now, put all the slips in a box and mix them well.
(v) Draw three slips at random without replacement (i.e. one by one).
(vi) The names of the three students that are written on the three slips drawn are considered as selected.
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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.
Give two examples each of sample, population and variable.
Which of the following errors is more serious and why?
Does the lottery method always give you a random sample? Explain.
Explain the procedure of selecting a random sample of 3 students out of 10 in your class, by using random number tables.
What is population?
What is statistic?
What is sampling distribution of a statistic?
What is standard error?
Explain in detail about simple random sampling with a suitable example
Explain in detail about systematic random sampling with example
State any three merits of stratified random sampling
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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A random sample is a sample selected in such a way that every item in the population has an equal chance of being included
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In simple random sampling from a population of units, the probability of drawing any unit at the first draw is
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