Describing Data Distributions

Front

What is a data distribution?

Back

A data distribution shows how values are spread or arranged in a dataset.

Front

What does it mean if a data distribution is symmetrical?

Back

A symmetrical distribution has a mirror image on both sides of the center.

Front

What is a skewed right distribution?

Back

A skewed right distribution has a longer tail on the right side, indicating that most values are concentrated on the left.

Front

What is a skewed left distribution?

Back

A skewed left distribution has a longer tail on the left side, indicating that most values are concentrated on the right.

Front

What is a bell curve?

Back

A bell curve is a symmetrical distribution where most values cluster around the mean, forming a bell-shaped graph.

Front

What does it mean to have a gap in the data?

Back

A gap in the data indicates a range of values where no data points exist.

Front

What is a cluster in data distribution?

Back

A cluster is a group of data points that are close together in value.

Front

How can you identify the shape of a data distribution?

Back

You can identify the shape by looking at the frequency of data points and their arrangement on a graph.

Front

What is the importance of understanding data distributions?

Back

Understanding data distributions helps in analyzing trends, making predictions, and interpreting data effectively.

Front

What does it mean if most books have over 400 pages in a dataset?

Back

It indicates that the majority of the data points are concentrated above the 400-page mark.