Module # 4.5.1

Know the three basic types of graphs (bar, pie, line) and their uses

Getting there

BAR or column charts compare data at points, look:
Use this type of chart if you have two or more observations for each data point AND you are more interested in differences at a give point then trends.

PIE charts compare categories to the whole and each other, look:
Use this type of chart if you have one observation for each CATEGORY AND the categories combine into a total.

Line charts compare trends, look:

Use this type of chart to see a trend, usually over time.

Exercise #1

Do you need one?