Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 3 - Section 3.2 - Assess Your Understanding - Applying the Concepts - Page 154: 30a

Answer

68% of SAT scores are between 401 and 629 according to the Empirical Rule.

Work Step by Step

Using the Empirical rule, we have: x̅ - 1s = 515 - 114 = 401 x̅ + 1s = 515 + 114 = 629 Hence, 68% of SAT scores are between 401 and 629 according to the Empirical Rule.
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