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Which One of the Following Statements Is TRUE

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Which one of the following statements is TRUE?


Definitions:

Quality Control

The process of ensuring that products and services meet customer expectations and compliance standards through consistent monitoring and regulation.

Standard Error

The standard deviation of the sampling distribution of a statistic, most commonly the mean.

Confidence Interval

A set of values based on sample statistics, expected to include an unknown population parameter.

Sample Proportion

The fraction of the sample observations that belong to a particular category, often used as an estimator of the population proportion.

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