A Complete Lack of Correlation Between Two Variables Is Expressed

question 68

Multiple Choice

A complete lack of correlation between two variables is expressed by a correlation coefficient of ________.

• A) 50
• B) 1.00
• C) -1.00
• D) zero

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Definitions:

Myelin

A fatty covering that insulates nerve fibers in the brain, spinal cord, and peripheral nerves, speeding the transmission of nerve impulses.

Action Potential

A rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane, a process allowing neurons to transmit signals.

Membrane Potential

Voltage difference across a cell membrane.

Potassium

Potassium is a chemical element with the symbol K, necessary for the functioning of all living cells and vital for heart, muscle, and nerve functions.