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The percentage of female high school graduates who enrolled in college is given in the table below.

The percentage of female high school graduates who enrolled in college is given in the table below.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The percentage of female high school graduates who enrolled in college is given in the table below. Year College Enrollment Percentages for Females 1970 25.5 1980 30.3 1990 38.3 2000 45.6 2010 50.5 Let x represent time (in years) since 1970, and let y represent the corresponding percentage of female high school graduates who enrolled in college. Find the cubic regression model y = = F(x) = ax' + bæ? + cx + d, where a is rounded to 6 decimal places, b is rounded to 4 decimal places, c is rounded to 3 decimal places, and d is rounded to 1 decimal place,
Transcribed Image Text:The percentage of female high school graduates who enrolled in college is given in the table below. Year College Enrollment Percentages for Females 1970 25.5 1980 30.3 1990 38.3 2000 45.6 2010 50.5 Let x represent time (in years) since 1970, and let y represent the corresponding percentage of female high school graduates who enrolled in college. Find the cubic regression model y = = F(x) = ax' + bæ? + cx + d, where a is rounded to 6 decimal places, b is rounded to 4 decimal places, c is rounded to 3 decimal places, and d is rounded to 1 decimal place,
Use the model to predict instantaneous rate of change of the percentage of female high school graduates in 2013. Round to the nearest hundredth (2 decimal places). % per year
Transcribed Image Text:Use the model to predict instantaneous rate of change of the percentage of female high school graduates in 2013. Round to the nearest hundredth (2 decimal places). % per year
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