1st Edition

ISBN: 9781938168208

Author: Barbara Illowsky, Susan Dean

Publisher: OpenStax College

Concept explainers

The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of tw…

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A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow compar…

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Textbook Question

Chapter 2, Problem 2.13TI

For the following 11 salaries, calculate the IQR and determine if any salaries are outliers. The salaries are in dollars.

533,000; 564,500; 528,000; $54,000; 572,000; 568,500; 569,000; $42,000; 554,000; 5120,000; 5.10,500

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Chapter 2, Problem 2.12TI

Chapter 2, Problem 2.14TI

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For the following 11 salaries, calculate the IQR and determine if any salaries are outliers. The salaries are in dollars. 533,000; 564,500; 528,000; $54,000; 572,000; 568,500; 569,000; $42,000; 554,000; 5120,000; 5.10,500

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