Scatter Plots, Clusters, and Outliers

Front

What is a scatter plot?

Back

A scatter plot is a type of graph that uses dots to represent the values obtained for two different variables - one plotted along the x-axis and the other plotted along the y-axis.

Front

What is a cluster in a scatter plot?

Back

A cluster is a group of data points that are closely packed together in a scatter plot, indicating that the values are similar.

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that is significantly different from the other data points in a scatter plot, often appearing far away from the cluster.

Front

How can you identify a cluster in a scatter plot?

Back

You can identify a cluster by looking for a dense grouping of points in a specific area of the graph.

Front

How can you identify an outlier in a scatter plot?

Back

An outlier can be identified as a point that lies far away from the main group of data points, often separated from the cluster.

Front

What does it mean if a scatter plot has a gap?

Back

A gap in a scatter plot indicates a range of values where there are no data points, suggesting a lack of observations in that area.

Front

What is the significance of analyzing clusters in data?

Back

Analyzing clusters helps to identify patterns, trends, and relationships within the data, which can inform decision-making.

Front

What is the significance of identifying outliers in data?

Back

Identifying outliers is important because they can indicate errors in data collection, unique cases, or significant variations that need further investigation.

Front

In what year did the charity receive $150,000 according to the scatter plot?

Back

2007

Front

What do you call the area where most of the data is located on a graph?

Back

Cluster