It could be said that some of their ancestors were the first Europeans to discover North America in 1000 AD (see Leif Ericson). Other Normans came to Canada from countries that they had immigrated to after the Edit de Nantes had been revoked in 1685.
Can a circle graph be used to display data from a histogram? What type of data can line graphs display? Line graphs are used to display data to show how one variable (the  Responding variable) changes in response to another variable (the  Manipulated variable). Making the world better, one answer at a time.
The use of the circle graph/pie chart is quite popular, as the circle provides a visual concept of the whole (100%). Circle graphs/pie charts are also one of the most commonly used charts because they are simple to use. Despite its popularity, circle graphs/pie charts should be used sparingly for two reasons.