Page 121 - Math Course 1 (Book 1)
P. 121
Algebra: Scatter Plots
Construct a Scatter Plot
Determine whether a scatter plot of the outside temperature and the heating bill might show a positive,
negative, or no relationship. Explain your answer.
A. As the outside temperature decreases, the heating bill will increase. This is a negative relationship.
B. As the outside temperature decreases, the heating bill will increase. This is a positive relationship.
C. As the outside temperature increases, the heating bill will increase. This is a negative relationship.
D. Outside temperature and heating bill have no relationship.
Answer
STUDY SKILLS
The table shows hours spent studying for a test and the corresponding test score.
Make a scatter plot of the data.
Hours 3 2 5 1 4 2 6 Let: x-axis represent the
hours. Y-axis represent
the score.
Score 72 75 90 68 85 70 92
y y
A. B.
130 100
90 90
Score 80 Score 80
70 70
30 60
1 2 3 4 5 6 3 2 5 1 4 6
Hours X Hours X
y y
C. C.
100 100
90 90
Score 80 Score 80
70 70
60 60
1 2 3 4 5 6 1 2 3 4 5 6
Hours X Hours X
Answer
113
