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प्रश्न
Choose the correct alternative:
A finite subset of statistical individuals in a population is called ______
विकल्प
a sample
a population
universe
census
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उत्तर
a sample
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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?
Suppose there are 10 students in your class. You want to select three out of them. How many samples are possible?
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 statistic?
Explain the stratifi ed random sampling with a suitable example
Choose the correct alternative:
Any statistical measure computed from sample data is known as ______
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
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
