Chapter Review
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A gap is an area on the graph that contains no data.
Relationship: Positive linear
Outliers: None
Gap: From 12 to 18
Cluster: None
A scatter plot is a graph that shows the relationship between two data sets. Let's begin by reviewing different relationships between data.
Now, let's consider the given scatter plot.
We can see that the points lie close to an imaginary line. As x increases, y also increases. Therefore, there is a positive linear relationship. Next, let's recall some important definitions.
| Outlier | Cluster | Gap |
|---|---|---|
| An outlier is a data point that is set off from the other data points. | A cluster is a group of points that lie close together. | A gap is an area on the graph that contains no data. |
With these definitions in mind, we can finally make some conclusions about the outliers, clusters, and gaps in our graph.