Suppose Exam Scores Are Normally Distributed with M = 70

question 110

Multiple Choice

Suppose exam scores are normally distributed with M = 70 and SD = 10. According to the text, 34.13% of exam scores should fall between ________ and ________.

• A) 60 and 80
• B) 70 and 80
• C) 69 and 71
• D) 70 and 100

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Definitions:

Standardized Form

A form of representation that allows different data sets or equations to be compared or analyzed using a common standard.

Normal Distribution

A bell-shaped distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Normal Distribution

This is a probability distribution characterized by symmetry around the mean, where occurrences are more common near the mean than far from it.

Symmetrical

A shape or distribution that is mirrored and balanced on both sides of a central point.