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प्रश्न
Discuss how you would use the lottery method to select 3 students out of 10 in your class?
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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.
संबंधित प्रश्न
Which of the following methods give better results and why?
Which of the following errors is more serious and why?
Suppose there are 10 students in your class. You want to select three out of them. How many samples are possible?
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.
Do samples provide better results than surveys? Give reasons for your answer.
What is sample?
What is statistic?
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 |
Draw a sample of 10 three-digit numbers which are even numbers
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:
A ______ is one where each item in the universe has an equal chance of known opportunity of being selected
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 ______ the heterogeneous groups are divided into homogeneous groups
Write short note on sampling distribution and standard error
