SITB (a) Predict the median income of a region in which 20% of adults 25 years and older have at least a bachelor's degree. $(Round to the nearest dollar as needed.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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K
The least-squares regression equation is
y=763.4x +13,065 where y is the median income and x is
the percentage of 25 years and older with at least
a bachelor's degree in the region. The scatter diagram
indicates a linear relation between the two variables with a
correlation coefficient of 0.8025. Complete parts (a)
through (d).
SITB
CCION
Median Income
55000-
20000+
ON
15 20 25 30 35 40 45 50 55 60
Bachelor's
Q
Q
R
(a) Predict the median income of a region in which 20% of adults 25 years and older have at least a bachelor's degree.
(Round to the nearest dollar as needed.)
Transcribed Image Text:K The least-squares regression equation is y=763.4x +13,065 where y is the median income and x is the percentage of 25 years and older with at least a bachelor's degree in the region. The scatter diagram indicates a linear relation between the two variables with a correlation coefficient of 0.8025. Complete parts (a) through (d). SITB CCION Median Income 55000- 20000+ ON 15 20 25 30 35 40 45 50 55 60 Bachelor's Q Q R (a) Predict the median income of a region in which 20% of adults 25 years and older have at least a bachelor's degree. (Round to the nearest dollar as needed.)
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