Observe the table:

**a.**

**Make a scatter plot of the data.**

Let the -axis represents the number of friends and the -axis represent the number of text messages.

**b.Graph:**

Graph the scatter plots.

Observe the graph:

As the number of friends increases, the number of messages increases.

There is a positive relationship between the number of friends and the number of messages.

**c.**

The number of text messages made during the week for a group of .

By pattern in the graph, you can determine that a group of friends will have around messages.

** **

a.

The -axis represent the number of friends and the -axis represent the number of text messages.

b.

Graph the scatter plots.

c.

A group of friends will have around messages.

"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!" June Barnett |

"Your site is amazing! It helped me get through Algebra." Charles |

"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful." Dan Pease |