Introductory Statistics 9th Edition

Published by Wiley
ISBN 10: 1-11905-571-7
ISBN 13: 978-1-11905-571-6

Chapter 3 - Section 3.4 - Use of Standard Deviation - Exercises - Page 107: 3.55

Answer

For the empirical rule, the approximated population areas are fixed. (68%,95%,99.7%) with one, two, or three different standard deviations from the mean. Empirical rule is similar to Chebyshev's Theorem but it can only applied in the normal curve (bell-shaped curve).

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