Why should you care
The ability to critically interpret graphs is one of
the main indicators of college readiness.
The inability to critically interpret graphs leads to
people being being easily manipulated by
advertisements and interest groups
Remember, graphs are only interpretations of
data, not the data itself.
Why is it unwise to draw
final conclusions from
Why do scientists graph their data?
to organize and emphasize the pertinent patterns
from their data tables into a visual representation
that is easier to understand.
Although data tables themselves can hold all the
experimental information, a graph usually
minimizes the number of comparisons that can be
Graphs help the viewer to visualize the results
that answer the researchers original question.
Otherwise your graph can be more confusing
than the raw data.
Assignment: For each of the
following graphs, discuss these
questions with your partner.
1. What story is this graph telling you?
2. What is it NOT telling you?
3. What information would you like to see
Earnings and Unemployment versus Level of Education