IXL | Predictions and trends in scatter plots

New Valley Elementary has a reading competition every year. The class that reads the most books during winter break wins a movie party. This scatter plot shows how many books the students in each class read during last year's competition.

Which statement best describes the relationship between grade level and the number of books read?

As grade level increases, the number of books read decreases.

As grade level increases, the number of books read increases.

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Learn with an example

question

The Bayside Birders go on a bird-watching trip every weekend. This scatter plot shows the outside temperature during some recent trips. It also shows how many different types of birds the group spotted.

Which statement best describes the relationship between the temperature and how many types of birds the group spotted?

As the temperature increases, the number of types of birds decreases.

As the temperature increases, the number of types of birds increases.

solution

Each point on the scatter plot stands for a bird-watching trip. The

-coordinate

tells you the temperature, and the

-coordinate

tells you how many types of birds the group spotted.

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

-values

tend to have smaller

-values.

The scatter plot shows that as the temperature increases, the number of types of birds spotted decreases.

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Lesson: Scatter plots

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II.4Create scatter plots

Lesson: Scatter plots

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