1.
What is implied when it is said that
x
and
y
have a negative correlation?
A.
When the value of
x
increases, the value of
y
does not necessarily increase or decrease.
B.
When the value of
x
is negative, the value of
y
negative.
C.
When the value of
x
increases, the value of
y
increases.
D.
When the value of
x
increases, the value of
y
decreases.
Hint
2.
A line of best-fit should
not
be drawn for which of the following graphs.
A.
B.
C.
D.
Hint
3.
Make a flowchart for the expression.
.
A.
B.
C.
D.
Hint
4.
Which scatter plot shows that
x
and
y
have a positive correlation?
A.
B.
C.
D.
Hint
5.
During the month that had three days of rain, how many had above-average temperatures?
A.
2
B.
3
C.
8
D.
5
Hint