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 in 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 set of numbers.

Front

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

Back

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

Front

What is the range?

Back

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

Front

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

Back

To calculate the range, subtract the smallest number from the largest number.

Front

If Mary read 6 books in January, 4 in February, and 8 in March, what is the mean number of books read each month?

Back

6

Front

What is the range of the numbers 8, 10, 60, 3, 5, 13, 12, 40, 8?

Back

57