Mean, Median, and Mode

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 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. A set may have one mode, more than one mode, or no mode at all.

Front

Calculate the mean of the following numbers: 4, 6, 9, 11, 8, 13, 12.

Back

Mean: 9

Front

Find the median of the following numbers: 40, 28, 24, 37, 43, 26, 30, 36.

Back

Median: 33

Front

What is the mode of the following numbers: 25, 15, 30, 25, 20, 15, 24?

Back

Mode: 15 and 25

Front

If the data set is 10, 39, 71, 39, 76, 38, 25, what is the mean?

Back

Mean: 42.57

Front

What is the median of the data set: 25, 15, 30, 25, 20, 15, 24?

Back

Median: 24

Front

How do you determine if a data set has a mode?

Back

A data set has a mode if at least one number appears more frequently than others.

Front

What happens if all numbers in a data set appear with the same frequency?

Back

If all numbers appear with the same frequency, the data set has no mode.