Sampling error and Measurement error - 77889

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Sampling error take place when a probability sampling method is used to choose a sample, but the consequential sample is not delegate of the population apprehension. Regrettably, some component of sampling error is obligatory This is accounted for in confidence intervals, presumptuous a probability sampling method is used.

Illustration: assume that we collect a random sample of 500 folks from the common U.S. mature population to determine their amusement preferences. Then, after analysis, originate it to be composed of 70% females. This sample would not be delegate of the common mature population and would manipulate the data. The amusement prefe