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 total 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 median of the numbers 11, 11, 7, 18, 8?

Back

First, order the numbers: 7, 8, 11, 11, 18. The median is 11.

Front

What is the median of the numbers 4, 4, 7?

Back

The median is 4, as it is the middle number when arranged in order.

Front

Calculate the mean of the numbers 9, 9, 18.

Back

The mean is (9 + 9 + 18) / 3 = 12.

Front

What is the mode of the numbers 5, 5, 6, 7, 8?

Back

The mode is 5, as it appears most frequently.

Front

What is the range of the numbers 3, 7, 2, 9?

Back

The range is 9 - 2 = 7.

Front

If the numbers are 1, 2, 3, 4, 5, what is the median?

Back

The median is 3, as it is the middle number.