Once you have collected, tabulated, and graphically displayed your data, the next step is interpretation. The bar graph below displays the tabulated data comparing the attitude of high school students toward energy conservation based on grade point averages. The "Yes" and "No" responses of the students indicated whether or not they felt that conserving energy at school or in their home was a priority.

Interpreting data accurately requires that you first understand which graph to use. Click here to review the different graph types.