Mean Median Mode and Range

Front

What is the mean?

Back

The average of a set of numbers, calculated by adding them together and dividing by the number of values.

Front

What is the median?

Back

The middle number in a sorted list of numbers. If there are two middle numbers, the median is the average of those two.

Front

What is the mode?

Back

The number that occurs most frequently in a data set.

Front

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

Back

Subtract the smallest number from the largest number in the set.

Front

If you have two numbers in the middle, you should:

Back

Add them together and divide by two.

Front

Find the mean of the numbers: 4, 8, 6, 10.

Back

(4 + 8 + 6 + 10) / 4 = 7.

Front

Find the median of the numbers: 3, 1, 4, 2.

Back

Sorted: 1, 2, 3, 4. Median is (2 + 3) / 2 = 2.5.

Front

Find the mode of the numbers: 5, 3, 5, 2, 3, 5.

Back

The mode is 5, as it appears most frequently.

Front

What is the median of this data set? 7, 3, 5, 9, 1.

Back

Sorted: 1, 3, 5, 7, 9. Median is 5.

Front

What is the range of the numbers: 10, 15, 20, 5?

Back

Range = 20 - 5 = 15.