When Researchers Observe a Correlation Between Two Variables,such as Between

question 40

Multiple Choice

When researchers observe a correlation between two variables,such as between the amount of time spent studying and test scores,they know that

• A) the first variable causes the second variable.
• B) the second variable causes the first variable.
• C) both (A) and (B)
• D) neither (A) nor (B)

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Definitions:

Methyl Chloride

A chemical compound with the formula CH3Cl, known for its use in industrial processes as a solvent and in organic synthesis.

Lewis Structure

A representation of molecules showing how the valence electrons are arranged among the atoms in the molecule, including any lone pairs of electrons.

Bromine

A chemical element with symbol Br and atomic number 35, known for its reddish-brown color and presence in many organic and inorganic compounds.

Covalent Bond

A chemical bond formed by the sharing of one or more pairs of electrons between atoms to achieve stability.