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A forensic psychologist tests the extent to which the age of a criminal (XYAge of Criminal Age of Victim) predicts the age of the victim () for nonviolent crimes. The psychologist uses the case files to record the age of five criminals and the age of the victim in those cases. The hypothetical data are listed in the following table.
X Y
33 25
24 21
28 26
18 22
12 16
a) Compute the method of least squares to find the equation of the regression line. (Round your answers to three decimal places.)
Y = X +=
(b) Use the regression equation to determine the predicted age of a victim of a nonviolent crime when the criminal is 23 years old. (Round your answer to three decimal places.)
__________ years old?
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