Confidence Intervals: Slope of Regression Models
AP Statistics · Flashcards · Recall
AP STATISTICS · FLASHCARDS
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QUESTION
What does
s
s
s
represent in
S
E
b
=
s
∑
(
x
i
−
x
ˉ
)
2
SE_b=\frac{s}{\sqrt{\sum (x_i-\bar{x})^2}}
S
E
b
=
∑
(
x
i
−
x
ˉ
)
2
s
?
QUESTION
What is the general form of a
C
%
C\%
C
%
confidence interval for the population slope
β
\beta
β
?
QUESTION
What is the point estimate for the population slope
β
\beta
β
in a regression model?
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ANSWER
b
b
b
(the least-squares slope). Sample statistic estimates population parameter.
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