Distribution of Data

Distribution of Data

We can use the shape of a graph to determine how the data is distributed.

Normal Distribution

Also known as symmetric or bell shaped. This is when the graph is split in half and both sides look identical.

Positively Skewed

Also known as Skewed to the RIGHT.

This is when the data has a "Tail" on the right side of the graph.

Negatively Skewed

Also known as Skewed to the LEFT.

This is when the graph has a "Tail" to the left.

Uniform

This is when the graph looks the same and the data is evenly spread out. There are no high peaks and it will make a somewhat rectangular shape.

Multiple Choice

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

Multiple Choice

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

Multiple Choice

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

Multiple Choice

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

Multiple Choice

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

Multiple Choice

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

Stem and Leaf Plots

• These can be skewed as well

• You want to imagine turning the chart to it's side and seeing if it has a "Tail" to the left or right.

• The picture shows an example of a positive skew (skew to the right)

Multiple Choice

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

Multiple Choice

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform

Multiple Choice

How is the graph distributed?

• Normally

• Skewed to the Left

• Skewed to the Right

• Uniform