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Q.13

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Introductory Statistics
Found in: Page 385
Introductory Statistics

Introductory Statistics

Book edition OER 2018
Author(s) Barbara Illowsky, Susan Dean
Pages 902 pages
ISBN 9781938168208

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Short Answer

What is the z-score of x= –2, if it is 2.78 standard deviations to the right of the mean?

The z-score will be 2.78

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Step by Step Solution

Step 1: Given Information

The z-score of x= –2, if it is 2.78 standard deviations to the right of the mean?

Step 2: Explanation

By using the z-score it can be calculated by how many standard deviations (σ), the value of x will lie down (left) or overhead (right) the mean (μ) of the distribution. Since it is delivered that the z-score is 2.78 standard deviations to the right of the mean for x=-2.

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