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 no 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
does not necessarily increase or decrease.
B.
When the value of
x
increases, the value of
y
decreases.
C.
When the value of
x
decreases, the value of
y
does not necessarily increase or decrease.
D.
When the value of
x
increases, the value of
y
increases.
Hint
5.
Which relationship would most likely have a negative correlation?
A.
A person's height and the person's shoe size.
B.
The number of miles driven, and the number of gallons of gas in the car.
C.
The number of pizzas ordered, and the total price of the bill.
D.
A person's age, and the address of the person.
Hint