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 'skewed right'?

Back

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

Front

What does it mean if a data distribution is 'skewed left'?

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 symmetrical distribution?

Back

A symmetrical distribution is one where the left and right sides are mirror images of each other.

Front

What is a bell curve?

Back

A bell curve is a specific type of symmetrical distribution that is shaped like a bell, with most values clustering around the mean.

Front

What is a mode in a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

What does it mean if there is a peak in a graph?

Back

A peak in a graph indicates the most common value or range of values in the data.

Front

What is a gap in a data distribution?

Back

A gap is a range of values where no data points exist.

Front

How can you identify a peak in a data distribution?

Back

You can identify a peak by looking for the highest point in the graph where data values cluster.

Front

What does it mean if a distribution has no mode?

Back

If a distribution has no mode, it means that no value appears more than once.