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प्रश्न
Choose the correct alternative:
Which one of the following is probability sampling
पर्याय
purposive sampling
judgment sampling
simple random sampling
convenience sampling
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उत्तर
simple random sampling
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संबंधित प्रश्न
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?
Do samples provide better results than surveys? Give reasons for your answer.
What is standard error?
Explain in detail about simple random sampling with a suitable example
State any two demerits of systematic random sampling
Choose the correct alternative:
A ______ of statistical individuals in a population is called a sample
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
Explain the types of sampling
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
