LINE GRAPHS
•A line graph is a graphical display of information that changes continuously over time.
•In statistics, the range of a set of data is the difference between the largest and smallest values.
LINE GRAPH
Variables
Grade 5 Pupils with Cellphones Ages of Grade 5 pupils
Number of Cellular Phones
11 12 13 14
23 14 25 26
1. What is the graph all about? 2. How many Grade 5 pupils have cellphones in total?
3. What age has the most number of cellphones? 4. What age has the least number of cellphones?
5. What is the range of the vertical variable? 6. What is the range of the horizontal variables?