1.
A line of best-fit should
not
be drawn for which of the following graphs.
A.
B.
C.
D.
Hint
2.
Which scatter plot shows that
x
and
y
have a positive correlation?
A.
B.
C.
D.
Hint
3.
Which scatter plot shows that
x
and
y
have a negative correlation?
A.
B.
C.
D.
Hint
4.
What is implied when it is said that
x
and
y
have a positive correlation?
A.
When the value of
x
increases, the value of
y
decreases.
B.
When the value of
x
increases, the value of
y
increases.
C.
When the value of
x
increases, the value of
y
does not necessarily increase or decrease.
D.
When the value of
x
decreases, the value of
y
does not necessarily increase or decrease.
Hint
5.
What is implied when it is said that
x
and
y
have no correlation?
A.
When the value of
x
increases, the value of
y
does not necessarily increase or decrease.
B.
When the value of
x
increases, the value of
y
decreases.
C.
When the value of
x
increases, the value of
y
increases.
D.
When the value of
x
decreases, the value of
y
decreases.
Hint