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The Most Useful Tool to Identify the Trend Component of a Time

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The most useful tool to identify the trend component of a time series is


Definitions:

Quality Control Chart

A graphical tool used in process monitoring to analyze and understand variability in production or service delivery.

Defects Per Unit

A measure of the average number of defects found in each unit of a product.

Acceptance Sampling

A statistical quality control method used to decide whether to accept or reject a batch of material based on the inspection of a sample, aiming to ensure product quality while minimizing inspection costs.

LTPD

Lot Tolerance Percent Defective, a statistical measure in quality control that represents the maximum acceptable defect rate for a batch of products.

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