Statistics Confidence Interval-Sampling Distributions Study Material (Page 1 of 4)

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Sampling Techniques: Laws of Statistics

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Selection of part of an aggregate to represent the whole aggregate is known as sampling. Sampling, a long established practice that helps in evaluating, recognizing, and selecting candidates from the universe for taking decisions.

The aim of sampling is to select a set of items (or individuals) which represent the entire population.

Laws of Statistics

Statistics enables drawing conclusions about entire population based on …

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Sampling Techniques: Sample Size and Sampling Fraction

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Sample Size and Sampling Fraction

Sampling involves a compromise between precision and economy of the effort. The smaller the sample, and to a lesser extent, the smaller the sampling fraction, the wider the margin of error of any estimate made from it. In fact, if the margin …

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