• Independent variable along horizontal (X, or abscissa) axis.

• Dependent variable along vertical (Y, or ordinate) axis.

Line graph.

Bar graph.

Figure 2-1 Example graph 1. Car accidents and snowfall p. 14 - 15

# cm of snow	0	7	18	23	25	36	53
# car accidents	4	8	13	15	18	32	45

List 3 items that are done correctly for Graph B on the data sheet for Part A.

Study #1 Adaptations of Leaf Size to Precipitation p. 15 - 16

Study #2 The Effect of Temperature on the Growth of Beans

Study #3 The Heights of Students in Biology 1100 p. 17

Organize heights into 5-cm intervals (use tables 3a and 3b on p. 21).
Calculate the mean (average): divide sum by # of students.