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प्रश्न
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
पर्याय
Harper
Fisher
Karl Pearson
Dr. Yates
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उत्तर
Harper
APPEARS IN
संबंधित प्रश्न
There is a certain bias involved in the non-random selection of samples.
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?
What is population?
What is sample?
What is statistic?
In a sample of 400 population from a village 230 are found to be eaters of vegetarian items and the rest non-vegetarian items. Compute the standard error assuming that both vegetarian and non-vegetarian foods are equally popular in that village?
Choose the correct alternative:
Any statistical measure computed from sample data is known as ______
Determine the standard error of proportion for a random sample of 500 pineapples was taken from a large consignment and 65 were found to be bad
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
