Use the following to answer the question(s) below.
A linear regression model was fit to data representing technology adoption over time. The regression output and residual plot appears below.
-Which of the following is true?
A) The linear model explains 82.5 % of the variability in technology adoption.
B) The linear model is appropriate.
C) The linear model is not appropriate.
D) The linear model explains 82.5 % of the variability in technology adoption and the linear model is appropriate.
E) The linear model explains 82.5 % of the variability in technology adoption and the linear model is not appropriate.

Question

Use the following to answer the question(s) below.
A linear regression model was fit to data representing technology adoption over time. The regression output and residual plot appears below.  
-Which of the following is true?
A) The linear model explains 82.5 % of the variability in technology adoption. 
B) The linear model is appropriate. 
C) The linear model is not appropriate. 
D) The linear model explains 82.5 % of the variability in technology adoption and the linear model is appropriate. 
E) The linear model explains 82.5 % of the variability in technology adoption and the linear model is not appropriate.

Quizplus · Accepted Answer

The statement indicates that the linear model explains 82.5% of the variability, but it also states that the model is not appropriate, suggesting that despite the high R-squared value, other factors like residual patterns or assumptions may not be met.

Use the Following to Answer the Question(s) Below