Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

Published by McGraw-Hill Education
ISBN 10: 0078136334
ISBN 13: 978-0-07813-633-7

Chapter 3 - Data Description - 3-1 Measures of Central Tendency - Extending the Concepts: 34

Answer

x = 6

Work Step by Step

Here we have: mean = 8.2, No. of Values = 5 Let the fifth value = x. So 8.2 = (6 + 10 + 7 + 12 + x) / 5 5 x 8.2 = 35 + x x = 6
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