Statistics RESIDUAL question?
July 17, 2009 – 8:03 am
Sam asked:
A study was conducted into the relationship between the age in years of a person and their average weekly after tax income.
You have been supplied with the following information regarding a regression model that had been developed as part of the study.
A study was conducted into the relationship between the age in years of a person and their average weekly after tax income.
You have been supplied with the following information regarding a regression model that had been developed as part of the study.
Regression analysis:
sample intercept 548.76
sample slope 3.88
A particular observed value from the data is:
x = 22, y = 597.22
Calculate the residual of this observed value of the response variable. Give your answer to 2 decimal places.
residual = ______
thank you!
Chad
One Response to “Statistics RESIDUAL question?”
The regression line is
y = ax + b
yhat = ax + b + e
By unmasked on Jul 17, 2009