A Professor Who Has Two Sections of the Same Course

question 73

Multiple Choice

A professor who has two sections of the same course gives an exam.Both classes have the same mean score on the exam.However,in Class A most students scored relatively close to the mean,while in Class B many students scored either much higher or much lower than the mean.Which statement best describes the distribution of grades for the two classes?

• A) the standard deviation will be the same for the two classes
• B) the standard deviation will be larger for Class A than for Class B
• C) the standard deviation will be smaller for Class A than for Class B
• D) not enough information is provided to draw any conclusion regarding the standard deviation

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Definitions:

Double-Barreled

Referring to questions or items that inadvertently address multiple issues, making it unclear which part the response pertains to.

Negatively Worded

Referring to questions or statements that are phrased in a manner that assumes a negative outcome or context.

Graphic

A visual representation of data or information designed to make complex ideas more easily understandable.

Semantic Differential

A scale used for measuring the meaning of things and concepts, typically involving polar adjectives.