Answer
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): $E=\frac{23+23+21+21+19}{5}=21.4.$
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 11 - Chi-Square and Analysis of Variance - Review - Chapter Quick Quiz - Page 575: 2
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