Mean, Median, Mode, Range

Front

What is the mean?

Back

The average of a set of numbers.

Front

What is the median?

Back

The middle number in a sorted list of numbers.

Front

What is the mode?

Back

The number that occurs most frequently in a data set.

Front

What is the range?

Back

The difference between the largest and smallest numbers in a data set.

Front

Can a data set have more than one mode?

Back

True, a data set can have multiple modes.

Front

How do you calculate the mean of a data set?

Back

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

Front

How do you find the median in an odd set of numbers?

Back

Sort the numbers and select the middle one.

Front

How do you find the median in an even set of numbers?

Back

Sort the numbers and average the two middle numbers.

Front

What is an example of a data set with no mode?

Back

A set of numbers where all values occur only once, e.g., {1, 2, 3, 4, 5}.

Front

If the data set is {3, 7, 7, 2, 5}, what is the mode?

Back

7, because it appears most frequently.