Do Heavier Cars Use More Gasoline? to Answer This Question,a

question 82

Multiple Choice

Do heavier cars use more gasoline? To answer this question,a researcher randomly selected 15 cars.He collected their weight (in hundreds of pounds) and the mileage (MPG) for each car.From a scatter plot made with the data,a linear model seemed appropriate.The following output was obtained from SPSS: Which of the following descriptions of the value of the slope is the correct description?

• A)We cannot interpret the slope because we cannot have a negative weight of a car.
• B)We estimate the mileage to decrease by 0.521 miles per gallon when the weight of a car increases by 1 pound.
• C)We estimate the mileage to decrease by 0.521 miles per gallon when the weight of a car increases by 100 pounds.
• D)We estimate the mileage to decrease by 52.1 miles per gallon when the weight of a car increases by 100 pounds.

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Adjusting the appearance of written text in a document, including font size, style, color, and alignment.

Combo Box Content Control

A control element in user interfaces that combines a dropdown list with an editable text box, allowing users both to select a predefined option or enter custom input.

Drop-Down List

A graphical control element that allows the user to choose one value from a list of values by clicking on it, often used in forms and spreadsheets.

Option Button

A graphical user interface element that allows the user to make a single choice among a group of options; also known as a radio button.