Elementary Statistics (12th Edition)

by Triola, Mario F.

Published by Pearson

ISBN 10: 0321836960

ISBN 13: 978-0-32183-696-0

Chapter 3 - Statistics for Describing, Exploring, and Comparing Data - 3-4 Measures of Relative Standing and Boxplots - Basic Skills and Concepts - Page 123: 2

Answer

z=2.00

Work Step by Step

A z-score indicates how many standard deviations an element is from the mean, therefore here, the higher the z-score is the better for us, so we choose z=2.00.

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