You Have Collected Data on the Approximate Retail Price (In

question 179

Multiple Choice

You have collected data on the approximate retail price (in $) and the energy cost per year (in $) of 15 refrigerators.Which of the following is the best for presenting the data?

• A) A contingency table.
• B) A scatter plot.
• C) A side-by-side bar chart.
• D) A pie chart.

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Definitions:

Magnitude

A quantitative measure of size or extent, often used in context to describe the importance or severity of a variable or event.

Correlation Coefficient

A numerical measure that indicates the extent of a linear relationship between two variables, ranging from -1 to 1.

Best Fitting Line

A line that best represents the relationship between variables in a scatter plot, minimizing the distances of the data points from the line.

Covariance

A statistical measure indicating the extent to which two variables change together.