2-6 DOL (Distribution Shapes)

Front

What is a skewed right distribution?

Back

A distribution where the tail on the right side is longer or fatter than the left side, indicating that most data points are concentrated on the left.

Front

What is a skewed left distribution?

Back

A distribution where the tail on the left side is longer or fatter than the right side, indicating that most data points are concentrated on the right.

Front

Define a symmetric distribution.

Back

A distribution where the left and right sides are mirror images of each other, meaning the mean, median, and mode are all equal.

Front

What is a uniform distribution?

Back

A distribution where all outcomes are equally likely, resulting in a flat shape when graphed.

Front

What does unimodal mean in the context of distributions?

Back

A distribution with a single peak or mode.

Front

What is a bimodal distribution?

Back

A distribution with two distinct peaks or modes.

Front

How does a histogram differ from a bar graph?

Back

A histogram displays numerical data using intervals, while a bar graph displays categorical data.

Front

What is the shape of a distribution that is skewed right?

Back

The shape has a longer tail on the right side, indicating that there are a few high values.

Front

What is the shape of a distribution that is skewed left?

Back

The shape has a longer tail on the left side, indicating that there are a few low values.

Front

What does it mean for a distribution to be symmetrical?

Back

It means that the data is evenly distributed around the mean, with equal frequencies on both sides.