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 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 highest and lowest values in a data set.

Front

How do you calculate the Mean of 5, 11, 2, 12, 4, 2?

Back

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

Front

How do you find the Median of 24, 8.8, 24.57, 24?

Back

First, sort the numbers: 8.8, 24, 24, 24. The median is the average of the two middle numbers: (24 + 24) / 2 = 24.

Front

What is the Mode of the numbers 1, 2, 2, 3, 4?

Back

The Mode is 2, as it appears most frequently.

Front

What is the Range of the test scores 72, 94, 100, 62?

Back

Range = Highest score - Lowest score = 100 - 62 = 38.

Front

If the set of numbers is 2, 4, 6, 8, 10, what is the Mean?

Back

Mean = (2 + 4 + 6 + 8 + 10) / 5 = 6.

Front

What is the Median of the numbers 3, 1, 4, 2?

Back

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