Evaluate Model Fit with Residuals
Statistics and Probability · Flashcards · Application
STATISTICS AND PROBABILITY · FLASHCARDS
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QUESTION
Identify the better fit if Model A residuals are mostly within
±
1
\pm 1
±
1
and Model B within
±
5
\pm 5
±
5
.
QUESTION
Identify the observed value
y
y
y
if the residual is
−
2
-2
−
2
and
y
^
=
11
\hat{y}=11
y
^
=
11
.
QUESTION
Identify the residual if
y
=
7
y=7
y
=
7
and
y
^
=
10
\hat{y}=10
y
^
=
10
.
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ANSWER
−
3
-3
−
3
. Calculate
7
−
10
=
−
3
7-10=-3
7
−
10
=
−
3
since residual equals observed minus predicted.
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