1. Graphing in Science

2. D-TAILS
D-TAILS is an acronym used to help you remember everything you need to create a successful graph.

3. D-TAILS Data covers 50% of the graph area and is accurately placed.
NO!!!
YES!!!

4. D-TAILS
Title
Includes what the graph is about and both the manipulated and responding variables.
Hours of Sleep vs. Quiz Scores

5. D-TAILS
Axis Labels – manipulated variable is always on the x-axis and responding variable is always on the y-axis
Hours of Sleep vs. Quiz Scores
Quiz Scores
Sleep

6. D-TAILS Interval Marks Consistent spacing and always start at zero!
Hours of Sleep vs. Quiz Scores
100 75
Quiz Scores 50 25
Sleep

7. D-TAILS
Label Units
In ( ) after the axis label, include the proper units (if there are units)
Hours of Sleep vs. Quiz Scores
100 75
Quiz Scores (%) 50 25
Sleep (hrs)

8. D-TAILS Scale Always go by an even scale. Ex: 1,2,3,4 NOT 1,2,4,8
Hours of Sleep vs. Quiz Scores
100 75
Quiz Scores (%) 50 25
Sleep (hrs)

9. Always draw a trend line (do NOT connect the dots) to show the mv/rv relationship.

11. This graph shows that as mv increases, rv
After drawing the graph, write a data analysis statement:
This graph shows that as mv increases, rv