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

What does a Symmetric distribution look like?

Back

A distribution where the left and right sides are mirror images of each other, indicating that data is evenly distributed around the mean.

Front

What is a Bimodal distribution?

Back

A distribution with two different modes or peaks, indicating that there are two prevalent values in the data set.

Front

What is a Histogram?

Back

A type of graph that shows the frequency distribution of data within equal intervals, with no spaces between the bars.

Front

What is the purpose of changing intervals in a Histogram?

Back

To see which interval size provides a better description of the data distribution.

Front

What is the difference between a Histogram and a Dot Plot?

Back

A Histogram displays data in bars representing frequency, while a Dot Plot shows individual data points as dots along a number line.

Front

What is the significance of the mode in a distribution?

Back

The mode is the value that appears most frequently in a data set, indicating the most common observation.

Front

What does it mean if a distribution is Unimodal?

Back

A distribution with only one mode or peak, indicating that there is one prevalent value in the data set.

Front

What is the role of the mean in a distribution?

Back

The mean is the average of all data points, providing a measure of central tendency.