The Slope of the Least-Squares Regression Line Is

question 39

Multiple Choice

The slope of the least-squares regression line is:

• A) the correlation between the variables.
• B) the same sign as the correlation between the variables.
• C) the opposite of the correlation between the variables.
• D) the opposite sign of the correlation between the variables.

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Definitions:

Myelin

A fatty substance that forms a sheath around the axons of many neurons, helping to speed the conduction of nerve impulses.

Synaptic Vesicles

Membrane-bound sacs in the axon terminal of neurons that store neurotransmitters to be released at the synapse.

Synapse

The junction between two neurons where electrical or chemical signals are transmitted from one neuron to another.

Neurotransmitter

A Neurotransmitter is a chemical substance released by nerve cells to transmit signals to other nerve cells across synapses, playing a crucial role in the functioning of the nervous system.