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 Other Normans came to Canada from countries that they had immigrated to after the Edit de Nantes had been revoked in 1685.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.
Table of Contents. Bar charts. Bar charts are one of the most commonly used types of graph and are used to display and compare the number, frequency or other measure (e.g. mean) for different discrete categories or groups. The graph is constructed such that the heights or lengths of the different bars are proportional to the size of the category they represent.