The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 1 - Picturing Distributions with Graphs - Chapter 1 Exercises - Page 43: 1.41

Answer

See below.

Work Step by Step

1. An example histogram for the frequency of coins with year is shown in the figure. 2. The histogram is skewed to the left which means that older coins have less counts. 3. The reason is that older coins are more likely be lost or recycled by the bank thus have less probability to appear compared to newer coins.
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