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: 33

Answer

Sum = 320

Work Step by Step

Mean = Sum/ No. of Means Here we have: mean = 64, No. of Values = 5, so 64= sum/5 sum = 64 x 5 = 320
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