Mean, Median, Mode and Range

Front

What is the definition of 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 definition of the median?

Back

The median is the middle number in a sorted list of numbers. If there are two middle numbers, add them together and divide by 2.

Front

What is the definition of the mode?

Back

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

Front

What is the definition of range?

Back

The range is the difference between the highest and lowest numbers in a set.

Front

Calculate the range of the following numbers: 60, 72, 94, 108.

Back

The range is 108 - 60 = 48.

Front

Find the mean of these test scores: 85, 89, 99.

Back

The mean is (85 + 89 + 99) / 3 = 91.

Front

What do you do if there are two middle numbers when finding the median?

Back

Add them together and divide by 2.

Front

Identify the mode in the following set: 0, 1, 1, 2, 3, 4.

Back

The mode is 1.

Front

If the scores are: 72, 94, 108, 60, what is the highest score?

Back

The highest score is 108.

Front

If the scores are: 72, 94, 108, 60, what is the lowest score?

Back

The lowest score is 60.