The following table shows the percentage of people 25 years and older who have completed four or more years of college.  Use the line of best fit (regression line) to predict when (what year) the percentage will reach 49%.  Round the slope and y-intercept to four decimal places, if necessary.  Year 1985 1990 1995 2000 2005 2010 Percentage 19.4 21.3 23.0 25.6 27.6 29.9

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.EA: Extended Application Using Extrapolation To Predict Life Expectancy
Problem 2EA
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The following table shows the percentage of people 25 years and older who have completed four or more years of college.  Use the line of best fit (regression line) to predict when (what year) the percentage will reach 49%.  Round the slope and y-intercept to four decimal places, if necessary

Year

1985

1990

1995

2000

2005 2010

Percentage

19.4

21.3

23.0

25.6

27.6 29.9

 

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