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 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 observations, 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 these numbers: 5, 10, 15?

Back

(5 + 10 + 15) / 3 = 10.

Front

How do you find the median of these numbers: 3, 1, 4, 2?

Back

First, sort the numbers: 1, 2, 3, 4. The median is (2 + 3) / 2 = 2.5.

Front

How do you find the mode of these numbers: 1, 2, 2, 3, 4?

Back

The mode is 2, as it appears most frequently.

Front

How do you find the range of these numbers: 8, 3, 5, 10?

Back

Range = 10 - 3 = 7.

Front

What is the mode of these numbers: 7, 8, 8, 9, 10?

Back

The mode is 8.

Front

What is the median of these numbers: 6, 3, 9, 1, 5?

Back

First, sort the numbers: 1, 3, 5, 6, 9. The median is 5.