What are the residuals for each of these three scores?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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You are looking at age of first marriage’s (independent variable) effect on the age of having a first child (dependent variable):

You find that B0 = 2 and B1 = 1.2

Your regression line predicts that if a respondent is
married at 30, they'll have their first child at 38 years old
(prediction equation: 2+ 1.2(30)=38).
However, when you look at the respondent's actual
scores for those with 30 as the age of marriage, you find
that for age having a first child one respondent reports
22, one 30, and another 41.
What are the residuals for each of these three scores?
Residual for 22:
Residual for 30:
Residual for 41:
Transcribed Image Text:Your regression line predicts that if a respondent is married at 30, they'll have their first child at 38 years old (prediction equation: 2+ 1.2(30)=38). However, when you look at the respondent's actual scores for those with 30 as the age of marriage, you find that for age having a first child one respondent reports 22, one 30, and another 41. What are the residuals for each of these three scores? Residual for 22: Residual for 30: Residual for 41:
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