It is said that high school algebra is characterized by equalities, whereas college and more advanced mathematics, inequalities. One may argue that, in a similar way, statistics is characterized by inequalities, too. For example, the words “margin of errors,” which nowadays come along routinely with survey results that are published, may be viewed as bounds for typical range of the sampling error.
KeywordsNonnegative Number Well Linear Unbiased Prediction Maximum Inequality Good Linear Unbiased Estimator Moment Inequality
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