Statistic Line Graph

  What is a line graph?

• A line graph is another way of representing data.

• A line graph is simply a line with a point.

• A line graph has 10 parts.

What are the parts of the line graph?

• Labels and Middle

• title, labels, scale, point, and line.

• Upper, Down, scale, and point.

Why different colors are used to show data in the double-line graph?

• To make us confuse.

• To add to the beauty of the graph.

• To easily interpret the two data.

Interpret the line graph:

 1.    A bookshop made a line graph of the number of books sold each week during a certain period.

Number of books sold in week seven?

Number of Books sold in week eight?

The following line graph shows the number of students who graduated from college from 2009 to 2014.

How many students graduated in 2009?

How many students graduated in 2013?

What is the title of this graph?  

What does the horizontal axis represent?

What does the vertical axis represent?

How many points are in the graph?  

What was the lowest value recorded?