Problem 77 of 7
Interpret patterned residual plot description residuals become narrower as x increases.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
identify model mismatch.
Hidden until you reveal it.
Residual plot must show a nonrandom pattern.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Look for curvature, fan shape, clusters, or other nonrandom pattern.
2. Connect the pattern to a model problem.
3. State what the residual pattern suggests about fit.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Calling a patterned residual plot a good linear fit.