Smoking and pregnancy 2011 The Child Trends Data Bank monitors issues related to children. The table shows

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Smoking and pregnancy 2011 The Child Trends Data Bank monitors issues related to children. The table shows a 50-state average of the percent of expectant mothers who smoked cigarettes during their pregnancies.

1. Create a scatterplot and describe the trend you see.

2. Find the correlation.

3. How is the value of the correlation affected by the fact that the data are averages rather than percentages for each of the 50 states?

4. Write a linear model and interpret the slope in context.

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Stats Data And Models

ISBN: 9780135163825

5th Edition

Authors: Richard D De Veaux, Paul F Velleman, David E Bock

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Question Posted: Aug 23, 2022 01:08 AM

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Smoking and pregnancy 2011 The Child Trends Data Bank monitors issues related to children. The table shows

Question:

Year % Smoking While Pregnant 1990 19.2 1991 18.7 1992 17.9 1993 16.8 1994 16.0 1995 15.4 1996 15.3 1997 14.9 1998 14.8 1999 14.1 2000 14.0 2001 13.8 2002 13.3 2003 12.7 2004 10.9 2005 10.1 2006 10.0 2007 10.4 2008 9.7 2009 9.3 2010 9.2 2011 9.0

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1 The association between year and the percent of expectant mothers who smoked cigarettes during the...View the full answer

Stats Data And Models

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