The equation shown is the regression result for the best-fitting line. Based on this information, which of the following statements is correct?
The equation shown is the regression result for the best-fitting line. Based on this information, which of the following statements is correct?
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Transcribed Image Text:The following graph shows the relationship between real GDP growth and change in
unemployment for the US between 1961 and 2013.
US (1961-2013)
Change in unemployment rate (%)
6
4
6
2009
-1 0
y=-0.3768x+1.2298
R=0.641
4
Real GDP growth (%)
The equation shown is the regression result for the best-fitting line. Based on this
information, which of the following statements is correct?
9
a) With real GDP falling by 2.8% in 2009, the predicted rise in the
unemployment rate would have been 2.3%
b)
From the regression result, policy makers can be sure that a 1 percentage
point increase in real GDP next year will definitely lead to a fall in the
unemployment rate of 0.38%.
Oc) The unemployment rate remains stable when there is zero real GDP growth.
d) Okun's coefficient for the US is 1.2298
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