The Standard Deviation Can Be Negative, Positive, or Equal to Zero

question 248

True/False

The standard deviation can be negative, positive, or equal to zero.

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Definitions:

Cognitive Economy

A principle in cognitive psychology that suggests the brain strives to simplify information processing by using the most efficient and simplest ways to understand and process information.

Spreading Activation

A theory in cognitive psychology that suggests ideas in memory are connected and that the activation of one idea can trigger the activation of related ideas.

Lexical Decision Tasks

A psychological experiment that involves determining whether a string of letters is a word or a non-word.

Procedural Memory System

A type of long-term memory responsible for knowing how to do things, also known as muscle memory, involving the performance of particular types of tasks without conscious awareness.