Line graphs, line plots, and the mean

Advanced Math 5 · Unit 9 · line-plots-mean

line-plots-mean

Name ______________________________Date ______________

1.
Five students scored $7$ , $12$ , $9$ , $15$ , and $12$ on a quiz. What is the mean score?
Answer: ______________
2.
The line plot below shows the lengths of $8$ ribbons.

Length (m) $\frac{1}{2}$ $\frac{3}{4}$ $1$
Number of ribbons $3$ $2$ $3$

What is the mean length, in metres?
Answer: ______________
3.
The line plot below shows how far $10$ paper airplanes flew.

Distance (m) $1$ $1\frac{1}{2}$ $2$ $2\frac{1}{2}$
Number of airplanes $2$ $3$ $4$ $1$

What is the mean distance, in metres?
1. (A)
  $2.5$
2. (B)
  $1.75$
3. (C)
  $1.7$
4. (D)
  $4.25$
5. (E)
  $17$