Mean, Median, Mode, and 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 count of numbers.

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

What is the mode?

Back

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

Front

What is the range?

Back

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

Front

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

Back

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

Front

How do you find the median in a data set?

Back

Sort the numbers in ascending order and find the middle value.

Front

How do you find the mode in a data set?

Back

Identify the number that occurs most frequently.

Front

How do you calculate the range of a data set?

Back

Subtract the smallest number from the largest number.

Front

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

Back

Mean = (5 + 11 + 2 + 12 + 4 + 2) / 6 = 6.

Front

Find the median of these numbers: 3, 5, 7, 9, 11, 8, 3.

Back

Sorted: 2, 3, 3, 5, 7, 8, 9, 11. Median = 7.