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Find the inverse of the matrix.
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Large-Sample Z
A statistical method used for hypothesis testing and confidence interval estimation, appropriate when the sample size is large, typically using the Z-distribution.
Plus Four Estimate
A technique in statistics, particularly in bootstrap methodology, to produce a more robust estimate by adding four observations - two at each end of the sample data.
Failed Items
Products or components that do not meet the predefined quality criteria, resulting in a failure.
Random Sample
A subset of a population selected in such a way that each member has an equal chance of being chosen.
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