The Residuals Plot for a Linear Model Is Shown

question 35

Multiple Choice

The residuals plot for a linear model is shown. Which is true?

• A) The linear model is no good since some residuals are large.
• B) The linear model is no good because of the curve in the residuals.
• C) The linear model is okay because the association between the two variables is fairly strong.
• D) The linear model is okay because approximately the same number of points are above the line as below it.
• E) The linear model is no good since the correlation is near 0.

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Definitions:

Tetrahedral

Tetrahedral refers to a molecular shape where a central atom is surrounded by four other atoms at the corners of a tetrahedron.

Equivalent Atoms

Equivalent atoms are atoms in a molecule that have identical bonding arrangements and environment, making them indistinguishable in chemical reactions.

Acetylene

A colorless, flammable gas used as a fuel and a building block for chemical synthesis.

Molecular Shape

The three-dimensional arrangement of atoms within a molecule, determining its reactivity, polarity, and physical properties.