Concept explainers
To create a model that describe this trend and justify decisions you make how to best use these data.
Explanation of Solution
The national center of health statistics reported the data below, showing the percentage of all births that are to unmarried women for selected years between
Year | 1980 | 1985 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 |
% | 18.4 | 22 | 28 | 29.5 | 30.1 | 31 | 32.6 | 32.2 | 32.4 | 32.4 | 32.8 |
Thus, the model can be separated into two parts as we can see from the data that the slope of
And the second scatterplot is as:
Thus for both the unmarried women percentages in on the vertical axis and the years is on the horizontal axis.
Chapter 9 Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Intro Stats
Intro Stats, Books a la Carte Edition (5th Edition)
Statistics: The Art and Science of Learning from Data (4th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
An Introduction to Mathematical Statistics and Its Applications (6th Edition)
Elementary Statistics (13th Edition)
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