Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 3 - Statistics for Describing, Exploring, and Comparing Data - Review - Chapter Quick Quiz: 5

Answer

$-0.77$.

Work Step by Step

The z-score: $z=\frac{value-mean}{standard \ deviation}=\frac{6-11.4}{7}=-0.77$.
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