Answer
In a normal distribution the frequencies increase until the peak and then decrease.
Work Step by Step
When we can see these in a graphical way, the histogram seems to be symmetric to the peak, but this is quite subjective.
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 2 - Summarizing and Graphing Data - 2-3 Histograms - Page 58: 4
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