iQ5 Look at the figure below, which shows four residual plots labelled (a), (b),
ID: 3436024 • Letter: I
Question
iQ5
Look at the figure below, which shows four residual plots labelled (a), (b), (c) and (d). Each residual plot shows the residuals when a straight line has been fitted to some data.
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (a) is...A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (b) is...A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (c) is...A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (d) is...A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
Explanation / Answer
A reasonable interpretation of residual plot (a) is...
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (b) is...
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (c) is...
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (d) is...
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (a) is...
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (b) is...
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (c) is...
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
A reasonable interpretation of residual plot (d) is...
A) Line fits well but there are outliers
B) No straight line is likely to fit well
C) Line fits well and there are no outliers
D) A different (straight) line would be much better
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