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

question 16

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,

• A) gasoline brand is a categorical variable and weight is a quantitative variable.
• B) gasoline brand and weight are both categorical variables.
• C) gasoline brand and weight are both quantitative variables.
• D) gasoline brand is a quantitative variable and weight is a categorical variable.

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Definitions:

Mid 17th Century

Referring to the period from approximately 1630 to 1670, marked by significant historical events, including the English Civil War and the early colonization of America.

Immigration

The process of individuals moving to a new country or region with the intention of settling and residing there.

Dutch West India Company

A 17th-century trading company chartered by the Netherlands to conduct commerce and colonization in the Americas and West Africa, also involved in the Atlantic slave trade.

"City Upon A Hill"

A metaphor derived from a sermon by Puritan leader John Winthrop, emphasizing the idea that the colony of Massachusetts should serve as a model of righteousness and Christian virtue for the world.