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

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

Front

What is the median?

Back

The median is the middle number in a sorted list of numbers. If there are two middle numbers, add them together and divide by 2.

Front

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

Back

Sort the numbers in order, then find the middle number. If there are two middle numbers, average them.

Front

What is the mode?

Back

The mode is the number that appears most often in a set of numbers.

Front

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

Back

Identify the number that occurs most frequently in the set.

Front

What is the range?

Back

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

Front

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

Back

Subtract the smallest number from the largest number.

Front

Find the mean of these numbers: 5, 11, 2, 12, 4, 2.

Back

The mean is 6.

Front

Mary read six books in January, four books in February, and eight books in March. What was the mean number of books read each month?

Back

The mean is 6.