You Are Planning an Experiment to Determine the Effect of the Brand

question 6

Multiple Choice

You are planning an experiment to determine the effect of the brand of gasoline and the weight of a car on gas mileage measured in miles per gallon. You will use a single test car, adding weights so that its total weight is 3000, 3500, or 4000 pounds. The car will drive on a test track at each weight using each of Exxon, Sunoco, and Texaco gasoline.
In this study, gasoline brand is a(n)

• A) response variable.
• B) explanatory variable.
• C) lurking variable.
• D) quantitative variable.

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Definitions:

Wechsler Intelligence Scale

A standardized test designed to measure a person's intellectual abilities and cognitive development.

Individually Administered

This term usually refers to tests or assessments given to a single person at a time, focusing on providing tailored attention and accuracy in the evaluation.

White American Children

Refers to children residing in the United States who identify as part of the racial category of White Americans, encompassing diverse ethnic backgrounds.

African American

A descriptor for Americans of African descent, often specifically referring to those with historical roots in slavery in the United States.