PRE-ALGEBRA, 2012

 PAGE: 42 SET: Exercises PROBLEM: 1

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.

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