Elementary Statistics (12th Edition)

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

Chapter 11 - Goodness-of-Fit and Contingency Tables - Review - Chapter Quick Quiz - Page 591: 2


O=23, E=21.4

Work Step by Step

O is the observed frequency (which is given): O=23. E is the expected outcome (sum of the frequencies divided by the number of categories): $E=\frac{23+23+21+21+19}{5}=21.4.$
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