IXL | Predictions and trends in scatter plots

Pine View Academy offers Spanish as an extra class beginning in third grade. This scatter plot shows how many students signed up for Spanish in each grade.

Which statement best describes the relationship between grade level and the number of students who signed up for Spanish class?

As grade level increases, the number of students decreases.

As grade level increases, the number of students increases.

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Learn with an example

question

This scatter plot shows the afternoon temperatures and the attendance at Shady Glen Pool on some days in July.

Which statement best describes the relationship between the afternoon temperature and the attendance at the pool?

As the temperature increases, the attendance decreases.

As the temperature increases, the attendance increases.

solution

Each point on the scatter plot stands for an afternoon. The

-coordinate

tells you the temperature, and the

-coordinate

tells you the attendance at the pool.

Look at the scatter plot. Points that are farther to the right tend to be higher on the scatter plot. This means that points with larger

-values

tend to have larger

-values.

The scatter plot shows that as the temperature increases, the attendance increases.

Looking for more? Try these:

Lesson: Scatter plots

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NN.16Interpret scatter plots

Lesson: Scatter plots

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