Statistics Review

Front

What is the standard deviation?

Back

A measure of the amount of variation or dispersion in a set of values.

Front

How do you calculate the mean of a data set?

Back

Add all the numbers together and divide by the count of numbers.

Front

What does Q3 represent in a data set?

Back

The third quartile, which is the median of the upper half of the data.

Front

What is the median?

Back

The middle value in a data set when arranged in ascending order.

Front

What is the mode?

Back

The number that appears most frequently in a data set.

Front

What is a data set?

Back

A collection of related data points or values.

Front

What is the range of a data set?

Back

The difference between the highest and lowest values.

Front

What is a frequency distribution?

Back

A summary of how often each value occurs in a data set.

Front

What is a histogram?

Back

A graphical representation of the distribution of numerical data.

Front

What is a box plot?

Back

A standardized way of displaying the distribution of data based on a five-number summary.