A Sample Bias Exists When the Results of a Sample

question 51

True/False

A sample bias exists when the results of a sample show a persistent tendency to deviate in one direction from the true value of the population parameter.

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Definitions:

X-bar Chart

A control chart used in statistical process control to monitor the process mean over time and identify any variations from the normal process performance.

Uniformity

The consistency and evenness of something, such as product quality, across different units or batches.

Dispersion

The extent to which a set of values is spread out or dispersed around a central value, such as the mean.

Statistical Control

The use of statistical methods to monitor and control a process to ensure that it operates at its full potential, producing consistent, conforming products with minimal waste.