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Probability
Probability Pulse
Five questions across 7 topics. No timer.
1 / 5
Probability
Question 1 of 5
foundation (2/10)
conceptual
What does a positive covariance
Cov
(
X
,
Y
)
>
0
usually indicate?
Hide and think first
A.
X
and
Y
are independent.
B.
X
and
Y
tend to move in the same direction relative to their means.
C.
X
causes
Y
.
D.
X
and
Y
have the same units.
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