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 distribution is symmetrical?

Back

A symmetrical distribution has a mirror image on both sides of the center.

Front

What is a left-skewed distribution?

Back

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

Front

What is a right-skewed distribution?

Back

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

Front

What is a uniform distribution?

Back

A uniform distribution has all values occurring with the same frequency.

Front

What is a bell curve?

Back

A bell curve is a specific type of symmetrical distribution that is shaped like a bell, often seen in normal distributions.

Front

How do you identify gaps in data?

Back

Gaps in data can be identified by looking for ranges where no data points exist.

Front

What is the mode of a dataset?

Back

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

Front

What is the median of a dataset?

Back

The median is the middle value when the data is arranged in order.

Front

What is the mean of a dataset?

Back

The mean is the average of all values in a dataset, calculated by dividing the sum of the values by the number of values.