Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 2 - Section 2.1 - Assess Your Understanding - Vocabulary and Skill Building - Page 73: 6c

Answer

There are $338,000$ surgeries not accounted for in the graph.

Work Step by Step

To find out how many surgeries are not accounted for in the graph, we first need to add up all the number of surgeries of all types mentioned in the graph. Then we subtract it from the total number of surgeries in 2009, which is $1,350,000$. Looking at the graph, we can find the number of cosmetic surgeries of each type. In total, in the graph, the number of surgeries of all types is $$312,000+284,000+150,000+138,000+128,000=1,012,000.$$ So, the number of surgeries not accounted for in the graph is $$1,350,000-1,012,000=338,000.$$
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