An Equation's Root Mean Squared Error Is

question 34

Multiple Choice

An equation's root mean squared error is:

• A) a measure of how closely its predictions match actual outcomes.
• B) a measure of how closely the equation explains past data.
• C) inversely proportional to the difference between the actual value and the predicted value.
• D) derived from the R² statistic.
• E) equal to the square root of the sum of squared errors.

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Definitions:

Root Opening

The gap between the parts being joined before welding.

Tail

In engineering drawings, often refers to the part of a callout or notation that provides additional information, such as specifications or notes.

V-Groove Weld

A type of joint preparation for welding where the edges of the metal pieces form a V shape to facilitate deeper penetration of the weld.

Symbol

A representation or emblem used as a conventional representation of an object, principle, or process.