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 total count of numbers.

Front

How do you calculate the mean of a set of numbers?

Back

To calculate the mean, add all the numbers together and then divide by how many numbers there are.

Front

What is the median?

Back

The median is the middle number in a sorted list of numbers. If there is an even number of values, the median is the average of the two middle numbers.

Front

How do you find the median of a set of numbers?

Back

To find the median, first arrange the numbers in order from smallest to largest, then identify the middle number.

Front

What is the mode?

Back

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

Front

How do you find the mode of a set of numbers?

Back

To find the mode, look for the number that occurs most often in the data set.

Front

What is the range of a set of numbers?

Back

The range is the difference between the highest and lowest numbers in a data set.

Front

How do you calculate the range?

Back

To calculate the range, subtract the smallest number from the largest number in the data set.

Front

If the numbers are 3, 7, 2, 9, what is the mean?

Back

The mean is 5.25.

Front

If the numbers are 4, 4, 5, 6, 6, 6, what is the mode?

Back

The mode is 6.