Assume a Positive Correlation Is Found Between the Number of Hours

question 47

Multiple Choice

Assume a positive correlation is found between the number of hours students spend studying for an exam and their grade on the exam.If the regression equation for these data is calculated and the y intercept is 65, what conclusion can be drawn?

• A) The standard error of the estimate is low.
• B) The regression line crosses the x-axis at a score of 65.
• C) The slope of the regression line is 65 when students do not study at all.
• D) When students do not study at all, we would predict a score of 65 on the exam.

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Definitions:

Stourhead Park

A famous 18th-century landscape garden located in Wiltshire, England, known for its magnificent lake and classical architecture.

Romanticism

A Western cultural phenomenon, beginning around 1750 and ending about 1850, that gave precedence to feeling and imagination over reason and thought. More narrowly, the art movement that flourished from about 1800 to 1840.

Neoclassicism

An artistic and architectural movement that emerged in the mid-18th century, inspired by the classical art and culture of ancient Greece and Rome.

Rococo

An 18th-century artistic movement and style, originating in France, characterized by elaborate ornamentation, intricate patterns, and themes of love, nature, and light-heartedness.