Describing Distributions

Front

What are the three main characteristics used to describe a distribution of data?

Back

Shape, Center, Spread

Front

What does a symmetric distribution look like?

Back

It has mirror image sides.

Front

Which of the following is a valid method for describing data distributions?

Back

Shape, Center, Spread.

Front

What is a key feature of a uniform distribution?

Back

It has no peaks.

Front

What is a bi-modal distribution?

Back

A distribution that has two distinct peaks.

Front

What is the purpose of describing a distribution?

Back

To summarize and understand the characteristics of the data.

Front

What is the difference between mean and median in a distribution?

Back

Mean is the average, while median is the middle value when data is ordered.

Front

What does 'spread' refer to in a distribution?

Back

The extent to which data values vary or are dispersed.

Front

What is an example of a distribution that is not symmetric?

Back

Skewed distribution.

Front

What does a peak in a distribution indicate?

Back

It indicates the most frequently occurring value(s) in the data.