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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Technological Determinism

The theory that society's technology drives the development of its social structures and cultural values.

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