Find the GCD or LCM as Indicated

question 12

Multiple Choice

Find the GCD or LCM as indicated.
-Given 21, 24, and 27 , find the GCD.

• A) 3
• B) 21
• C) 6
• D) 1

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Definitions:

Reliability

The level of consistency and reliability in the results provided by an evaluation instrument over time.

Validity

The extent to which a test, measure, or research study accurately reflects or assesses the specific concept it is intended to.

Interrater Reliability

The extent to which different observers or raters agree in their assessments when independently observing or evaluating the same phenomenon.

Concurrent Validity

The degree to which the results of a particular test or measure correspond to those of a previously established measurement for the same construct, at the same time.