The least-squares regression equation is y = 650.9x+ 16,443 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 55000- coefficient of 0.7174. Complete parts (a) through (d). 25000- 15 20 25 30 35 40 45 50 55 60 Bachelor's % ..... (c) Interpret the slope. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or decimal. Do not round.) O A. For 0% of adults having a bachelor's degree, the median income is predicted to be $ B. For a median income of $0, the percent of adults with a bachelor's degree is %. O C. For every dollar increase in median income, the percent of adults having at least a bachelor's degree is %, on average. D. For every percent increase in adults having at least a bachelor's degree, the median income increases by $ , on average. Median Income

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The least-squares regression equation is y = 650.9x + 16,443 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
55000-
indicates a linear relation between the two variables with a correlation
coefficient of 0.7174. Complete parts (a) through (d).
25000-
15 20 25 30 35 40 45 50 55 60
Bachelor's %
(c) Interpret the slope. Select the correct choice below and fill in the answer box to complete your choice.
(Type an integer or decimal. Do not round.)
A. For 0% of adults having a bachelor's degree, the median income is predicted to be $
B. For a median income of $0, the percent of adults with a bachelor's degree is
%.
O C. For every dollar increase in median income, the percent of adults having at least a bachelor's degree is
%, on average.
O D. For every percent increase in adults having at least a bachelor's degree, the median income increases by $
, on average.
Median Income
of
Transcribed Image Text:The least-squares regression equation is y = 650.9x + 16,443 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 55000- indicates a linear relation between the two variables with a correlation coefficient of 0.7174. Complete parts (a) through (d). 25000- 15 20 25 30 35 40 45 50 55 60 Bachelor's % (c) Interpret the slope. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or decimal. Do not round.) A. For 0% of adults having a bachelor's degree, the median income is predicted to be $ B. For a median income of $0, the percent of adults with a bachelor's degree is %. O C. For every dollar increase in median income, the percent of adults having at least a bachelor's degree is %, on average. O D. For every percent increase in adults having at least a bachelor's degree, the median income increases by $ , on average. Median Income of
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