Shapes of Distributions

Front

What is a distribution in statistics?

Back

A distribution in statistics refers to the way in which data points are spread or arranged across different values.

Front

What does it mean for a distribution to be skewed?

Back

A skewed distribution is one that is not symmetrical, meaning that one tail is longer or fatter than the other.

Front

What is left skewed distribution?

Back

A left skewed distribution, or negatively skewed distribution, has a longer tail on the left side, indicating that the majority of data points are concentrated on the right.

Front

What is right skewed distribution?

Back

A right skewed distribution, or positively skewed distribution, has a longer tail on the right side, indicating that the majority of data points are concentrated on the left.

Front

How can you identify a left skewed histogram?

Back

In a left skewed histogram, the bars on the right are taller, and the tail extends to the left.

Front

How can you identify a right skewed histogram?

Back

In a right skewed histogram, the bars on the left are taller, and the tail extends to the right.

Front

What is the mode in a distribution?

Back

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

Front

What is the median in a distribution?

Back

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

Front

What is the mean in a distribution?

Back

The mean is the average of all data points, calculated by dividing the sum of the values by the number of values.

Front

What is a normal distribution?

Back

A normal distribution is a symmetrical distribution where most of the data points cluster around the mean, forming a bell-shaped curve.