1.Why do you think people don't always follow the Area Principle?

2.What is the difference between a frequency table and a relative frequency table?

3.What is needed to make a bar chart?

4.What is needed to make a relative frequency bar chart?

5.Relative frequency tables and bar charts should have a sum of what?

6.What is the Categorial Data Condition and when is it used?

7.How is a contingency table different from a frequency table?