Which Measure of Variability Is the Average of the Squared

question 43

Multiple Choice

Which measure of variability is the average of the squared deviations from the mean and is used for interval-ratio variables?

• A)IQV
• B)Interquartile range
• C)Variance
• D)Standard deviation

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Definitions:

Cognitive Strategies

Techniques or approaches utilized in thinking or problem-solving to achieve specific goals.

Working Memory

A cognitive system that holds and manipulates information over short periods, crucial for reasoning, guidance of decision-making, and behavior.

Personal Fable

A concept in adolescent psychology referring to a belief held by some adolescents that they are unique and exceptional and therefore not subject to the rules that govern the rest of the world.

Formal Operational Reasoning

A stage in Piaget's theory of cognitive development where individuals are able to think abstractly and logically.