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प्रश्न
Choose the correct alternative:
In simple random sampling from a population of units, the probability of drawing any unit at the first draw is
विकल्प
`"n"/"N"`
`1/"N"`
`"N"/"n"`
1
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उत्तर
`1/"N"`
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संबंधित प्रश्न
Non-sampling errors can be minimized by taking large samples.
Which of the following methods give better results and why?
Do samples provide better results than surveys? Give reasons for your answer.
Explain in detail about simple random sampling with a suitable example
Explain the stratifi ed random sampling with a suitable example
State any two merits for systematic 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
Choose the correct alternative:
A finite subset of statistical individuals in a population is called ______
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
A sample of 100 students is drawn from a school. The mean weight and variance of the sample are 67.45 kg and 9 kg. respectively. Find (a) 95% (b) 99% confidence intervals for estimating the mean weight of the students
