All but One of the Statements Below Contain a Mistake

question 15

Multiple Choice

All but one of the statements below contain a mistake.Which one could be true?

• A)If the correlation between blood alcohol level and reaction time is 0.73, then the correlation between reaction time and blood alcohol level is -0.73.
• B)The correlation between the breed of a dog and its weight is 0.435.
• C)The correlation between gender and age is -0.171.
• D)The correlation between height and weight is 0.568 inches per pound.
• E)The correlation between weight and length of foot is 0.488.

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Definitions:

Sarcomeres

The basic structural and functional unit of a muscle fiber, responsible for muscle contraction.

T-tubules

Extensions of the cell membrane that penetrate into the centre of skeletal and cardiac muscle cells, facilitating the transmission of electrical impulses.

Microtubules

Cylindrical structures found in nearly all eukaryotic cells, involved in cell shape, division, and movement as well as intracellular transport.

Acetylcholine

A neurotransmitter in the central and peripheral nervous systems that plays a key role in muscle contraction and many other bodily functions.