A Random Variable Is

question 70

Multiple Choice

A random variable is

• A) a variable whose value cannot be predicted with certainty
• B) a parameter
• C) a population variable
• D) a sample variable

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Definitions:

Factory-Tuned

Refers to equipment or systems that have been pre-set or adjusted at the manufacturing site for optimal performance before delivery.

Proportional Controller

A type of feedback control system that outputs a control signal proportional to the error signal, which is the difference between the desired and actual system states.

Process Deviation

Process Deviation refers to the difference between the measured process variable and its desired setpoint, indicating the need for corrective action by the control system.