The R Squared (R²) Statistic May Be Defined as ______

question 18

Multiple Choice

The r squared (r²) statistic may be defined as ______.

• A) the variation in one variable
• B) the percentage of the standard deviation in one variable that is accounted for by another
• C) the percentage of the mean difference in one variable that is accounted for by another variable
• D) the percentage of variance in one variable that is accounted for by another variable

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Definitions:

Dendrites

Tree-like extensions at the neuron's body that receive signals from other neural cells for processing.

Neurons

Specific cells within the nervous system responsible for conveying information through chemical and electrical signals.

Chromosomes

Thread-like structures made of DNA molecules that contain the genes.

Excitatory

Referring to something that increases the likelihood of a nerve impulse in the neuron, often through neurotransmitters that promote action potentials.