Answer
In 1960 and 68% were married.
Work Step by Step
Refer to the given graph to find this information.
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 10 - Statistics - Summary Exercises - Graphs - Page 728: 12
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