5. Food Sales (Scatterplot)

Sales

130

120

100

90

80

70

60

50

40

30

1:

Sales

130

120

100

16 18 20 22 24 26 28 30 32 34

Temperature (°C)

90

80

70

60

50

40

30

Sales

130

120

FLEX

T

100

90

80+

70

60

50

40

30

16 18 20 22 24 26 28 30 32 34

Temperature (°C)

+

◆

16 18 20 22 24 26 28 30 32 34

Temperature (°C)

a. A positive correlation occurs when one set of values increases, so does the other set of values.

Which food shows a positive correlation between sales and temperature?

Which shows no correlation?

b. How could a park manager use this type of information?