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It has been reported that there has been a change in the type of practice physicians are selecting for their career. In particular, there is concern that there will be a shortage of family practice physicians in future years. The following table contains data on the total number of office-based physicians and the number of those physicians declaring themselves to be family practice physicians. The numbers in the table are given in thousands of physicians. (Source: Statistical Abstract of the United States: 2003)
Year - 1980| 1990| 1995| 1998| 1999| 2000 | 2001
Family Practice - 47.8 | 57.6| 59.9 | 64.6 | 66.2| 67.5 | 70.0
Total Office-Based Physicians- 271.3 | 359.9| 427.3| 468.8| 473.2| 490.4| 514.0
(a) Use a bar chart to display the increase in the number of family practice physicians from 1990 to 2002.
(b) Calculate the percent of office-based physicians who are family practice physicians and then display this data in a bar chart.
(c) Is there a major difference in the trend displayed by the two bar charts?
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