Marriage Rate The marriage rate per 1000 population for selected years from 1991 to 2009 is shown in the table.
a. Create a scatter plot of the data, where x is the number of years after 1990.
b. Create a linear function that models the data, with x equal to the number of years after 1990.
c. Graph the function and the data on the same axes, to see how well the function models the data.
d. In what year is the marriage rate expected to be 6.5, according to the model?
Year | Marriage Rate per 1000 Population | Year | Marriage Rate per 1000 Population |
1991 | 9.4 | 2000 | 8.5 |
1992 | 9.3 | 2001 | 8.2 |
1993 | 9.0 | 2002 | 7.9 |
1994 | 9.1 | 2003 | 7.9 |
1995 | 8.9 | 2004 | 7.6 |
1996 | 8.8 | 2005 | 7.5 |
1997 | 8.9 | 2007 | 7.3 |
1998 | 8.4 | 2008 | 7.1 |
1999 | 8.6 | 2009 | 6.8 |
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