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Q.15

Expert-verified

Introductory Statistics

Found in: Page 428

Book edition OER 2018

Author(s) Barbara Illowsky, Susan Dean

Pages 902 pages

ISBN 9781938168208

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Short Answer

Find the percentage of sums between $1.5$ standard deviations below the mean of the sums and one standard deviation above the mean of the sums.

The percentage of sums is $77.45 %$

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Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1: Given Information

$1.5$ standard deviations below the mean of the sums and one standard deviation above the mean of the sums.

Step 2: Explanation

The standard deviation is a measurement of a set of values' variation or dispersion. A low standard deviation implies that the values are close to the set's mean whereas a high standard deviation shows that the values are spread out over a larger range.

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