Mean, Median, Mode, Range

Front

What is the mean?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

How do you find the median?

Back

To find the median, arrange the numbers in order from least to greatest and identify the middle number. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode?

Back

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

Front

What is the range?

Back

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

Front

Find the mean of these numbers: 4, 2, 7, 4, 3.

Back

The mean is 4.

Front

Find the median of these numbers: 12, 5, 9, 18, 22, 25, 5.

Back

The median is 12.

Front

Find the mode of these numbers: 1, 2, 2, 3, 4.

Back

The mode is 2.

Front

What is the range of these numbers: 10, 15, 20, 25?

Back

The range is 15 (25 - 10).

Front

If the numbers are 5, 7, 9, what is the median?

Back

The median is 7.

Front

What does it mean if a data set has no mode?

Back

It means that no number appears more than once in the data set.