Chapter 4.5, Problem 2LC

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

In a population with a mean of μ = 50 and a standard deviation of σ = 10, would a score of *X* = 58 be considered an extreme value (far out in the tail of the distribution)? What if the standard deviation were σ *=* 3?

To determine

**To Find:** Whether the score of X equal 58 would be considered an extreme value when the standard deviation is

Explanation

**Given info:**

The population has a mean of

The score is

**Calculation:**

The formula for one standard deviation below and above the mean is,

The formula for two standard deviations below and above the mean is,

Substitute the value for

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