IXL | Predictions and trends in scatter plots

Jill is a cashier at Miller's Market. This scatter plot shows how many bags of groceries her customers bought over the last hour and how much money they spent.

Which statement best describes the relationship between the number of bags of groceries and the cost of the groceries?

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question

A bicycling club organizes a racing event every year. Riders can choose from several different race lengths. This scatter plot shows the distances of the races and how many bicyclists signed up for each race last year.

Which statement best describes the relationship between the length of a bike race and the number of bicyclists who signed up for it?

solution

Each point on the scatter plot stands for a bike race. The

-coordinate

tells you the race's length, and the

-coordinate

tells you how many bicyclists registered for the race.

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 race length increases, the number of bicyclists decreases.

Looking for more? Try these:

Lesson: Scatter plots

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Lesson: Scatter plots

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