Concept explainers
Application Exercises
Americans are getting married later in life, or not getting married at all In 2010 more than half of Americans ages 25 through 29 were unmarried. The bar graph shows the percentage of never-married men and women in this age group for four selected years The data are displayed as two sets of four points each one scatterplot for the percentage of never-married American men and one for the percentage of never –married American women. Also shown for each
Source U.S. Census Bureasu
In this exercise, you win use the red line for the men shown on the scatter pw to develop a model for the percentage of never-married American males ages 25-29
a Use the two points whose coordinates are shown by the voice balloons to find the
b. Write the equation from part (a) in slope-intercept form. Use function notation
c. Use the linear function to predict the percentage of never-married American males, ages 25-29, in 2015.
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