How to make a data table: data table guidelines.pdf
See if your data table is effective: data table checklist.pdf
How to make a bar graph: bar graph guidelines.pdf
See if your bar graph is effective: bar graph checklist.pdf
How to make a line graph: line graph guidelines.pdf
See if your line graph is effective: line graph checklist.pdf
Advanced tips can be found for making data tables and graphs at the following links:
Data table design - http://www.ncsu.edu/labwrite/res/gh/gh-tables.html
Choosing graph type - http://www.ncsu.edu/labwrite/res/gh/gh-graphtype.html
Basic instructions
Data tables - http://www.ehow.com/how_4505690_make-data-table.html