A Scatterplot Allows One to See
A) Whether There Is

question 26

Multiple Choice

A scatterplot allows one to see

• A) whether there is any relationship between two variables
• B) what type of relationship there is between two variables
• C) Both options are correct.
• D) Neither option is correct.
• An economic development researcher wants to understand the relationship between the average monthly expenditure on utilities for households in a particular middle-class neighborhood and each of the following household variables: family size,approximate location of the household within the neighborhood,and indication of whether those surveyed owned or rented their home,gross annual income of the first household wage earner,gross annual income of the second household wage earner (if applicable),size of the monthly home mortgage or rent payment,and the total indebtedness (excluding the value of a home mortgage)of the household.
• The correlation for each pairing of variables are shown in the table below:
• Table of correlations
• \(\begin{array}{| l| lllll| l}
• \begin{array}{l|llll}
• \hline &\text { Family Size }&\text {Location }&\text {Ownership }&\text {First hoome }&\text {Second lnoome }&\text { Monthly Payment }&\text {Utilties }&\text {Debt: }\\
• \hline \text { Family Size}&1.000 & & & & \\
• \text {Location }&-0.010 & 1.000 & & & \\
• \text {Dunership }&-0.025 & -0.386 & 1.000 & & \\
• \text {First hoome }&-0.063 & -0.537 & 0.445 & 1.000 & \\
• \text {Second hoome }&-0.058 & -0.508 & 0.424 & 0.884 & 1.000 \\
• \text {Monthly Payment }&-0.076 & -0.511 & 0.552 & 0.514 & 0.478 &1.000\\
• \text { Utilities}&0.256 & -0.346 & 0.935 & 0.388 & 0.366&0.489&1.000 \\
• \text {Debt }&0.294 & -0.461 & 0.744 & 0.560 & 0.523&0.605&0.778&1.000\\\hline
• \end{array}
• \end{array}\)

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Definitions:

Benzene

A colorless, volatile liquid hydrocarbon with a distinctive sweet smell, C6H6, used as a solvent and in the manufacture of various chemicals.

Hexane

A hydrocarbon with the chemical formula C6H14, used as a solvent in industrial applications, including the extraction of oils and fats.

Alkane Solvents

Organic solvents composed of alkanes, which are hydrocarbons containing only single bonds, making them non-polar and effective for dissolving similarly non-polar substances.

Electronegative

A measure of an atom's ability to attract and hold onto electrons when it forms bonds, affecting the polarity of chemical bonds.