Assessing Model Fit with Residuals
Statistics and Probability · Flashcards
STATISTICS AND PROBABILITY · FLASHCARDS
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QUESTION
Choose the word that best describes using
y
=
m
x
+
b
y = mx + b
y
=
m
x
+
b
to predict far beyond the data range.
QUESTION
Identify the meaning of
m
=
0
m = 0
m
=
0
in a linear model
y
=
m
x
+
b
y = mx + b
y
=
m
x
+
b
.
QUESTION
Identify the meaning of
m
<
0
m < 0
m
<
0
in a linear model relating
x
x
x
to
y
y
y
.
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ANSWER
y
y
y
decreases as
x
x
x
increases. Negative slope means inverse relationship between variables.
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