Consult documentation and definitions about your source of data or statistics, e.g., where did it come from, how was the data measured and defined (and collected)?
See the DATA and Odesi tab above --Odesi allows you to download data, or create your own tables from data.
Odesi provides survey data from Statistics Canada and ICPSR, public opinion polls, and other sources.
When to use ...
Data? Use data to analyse hundreds or thousands of observations in order to support or refute your hypothesis.
According to Statistics Canada, data can be viewed as "the raw material from which information is obtained" or "facts or figures from which conclusions can be drawn." (Information adapted from Statistics: Power from Data!)
Statistics? Use statistics as background or
Table source: Statistics Canada. 2007. Ontario, Quebec (tables).