Question: Questions 7 through 9 involve the following data set. Increase in Life Expectancy in the United States during the 20th Century Expected Expected Year Life

Questions 7 through 9 involve the following data set. Increase in Life Expectancy in the United States during the 20th Century Expected Expected Year Life Span Year Life Span 1920 54.1 19?5 ?2.6 1930 59.? 1980 7'35? 1940 62.9 1985 ?4.? 1950 68.2 1990 75.4 1960 69.? 1995 75.8 19?0 70.8 Source: National Center for Health Statistics, published in the 1998 World Almanac
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