Mean, Median, Mode, Range

Front

What is the mean of a set of numbers?

Back

The mean is the average of a set of numbers, calculated by adding all the items together and dividing by the number of items.

Front

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

Back

To find the median, arrange the numbers in order and identify the middle number. If there is an even number of items, the median is the average of the two middle numbers.

Front

What is the mode in a set of numbers?

Back

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

Front

What is the range of a set of numbers?

Back

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

Front

Find the mean of these numbers: 10, 20, 30, 40, 50.

Back

Mean = (10 + 20 + 30 + 40 + 50) / 5 = 30.

Front

Find the median of these numbers: 3, 1, 4, 2, 5.

Back

Median = 3 (when arranged in order: 1, 2, 3, 4, 5).

Front

Find the mode of these numbers: 2, 3, 4, 2, 5, 2, 3.

Back

Mode = 2 (it appears most frequently).

Front

Find the range of these numbers: 5, 10, 15, 20, 25.

Back

Range = 25 - 5 = 20.

Front

What is the median of these numbers: 7, 3, 9, 1, 5?

Back

Median = 5 (when arranged in order: 1, 3, 5, 7, 9).

Front

What is the mean of these numbers: 4, 8, 6, 10?

Back

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